diff --git a/crates/sncast/src/response/account/create.rs b/crates/sncast/src/response/account/create.rs
index 33aca415f6..48c2db9742 100644
--- a/crates/sncast/src/response/account/create.rs
+++ b/crates/sncast/src/response/account/create.rs
@@ -9,7 +9,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::{Serialize, Serializer};
 use serde_json::Value;
-use serde_json::json;
 
 fn as_str<S>(value: &u128, serializer: S) -> Result<S::Ok, S::Error>
 where
@@ -48,13 +47,7 @@ impl Message for SncastMessage<AccountCreateResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/account/delete.rs b/crates/sncast/src/response/account/delete.rs
index 18f829a3e2..c1c53d94bb 100644
--- a/crates/sncast/src/response/account/delete.rs
+++ b/crates/sncast/src/response/account/delete.rs
@@ -4,7 +4,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Clone)]
 pub struct AccountDeleteResponse {
@@ -23,12 +22,6 @@ impl Message for SncastMessage<AccountDeleteResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/account/deploy.rs b/crates/sncast/src/response/account/deploy.rs
index 19b0b55098..33ba8c9ce9 100644
--- a/crates/sncast/src/response/account/deploy.rs
+++ b/crates/sncast/src/response/account/deploy.rs
@@ -9,7 +9,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 #[derive(Serialize, Deserialize, CairoSerialize, Clone, Debug, PartialEq)]
 pub struct AccountDeployResponse {
     pub transaction_hash: PaddedFelt,
@@ -37,13 +36,7 @@ impl Message for SncastMessage<AccountDeployResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/account/import.rs b/crates/sncast/src/response/account/import.rs
index bf03f35cca..1021473f78 100644
--- a/crates/sncast/src/response/account/import.rs
+++ b/crates/sncast/src/response/account/import.rs
@@ -4,7 +4,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Clone)]
 pub struct AccountImportResponse {
@@ -28,12 +27,6 @@ impl Message for SncastMessage<AccountImportResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/call.rs b/crates/sncast/src/response/call.rs
index 35f04c86d7..8fca9b8ab0 100644
--- a/crates/sncast/src/response/call.rs
+++ b/crates/sncast/src/response/call.rs
@@ -6,7 +6,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 use starknet_types_core::felt::Felt;
 
 #[derive(Serialize, CairoSerialize, Clone)]
@@ -34,12 +33,6 @@ impl Message for SncastMessage<CallResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/cast_message.rs b/crates/sncast/src/response/cast_message.rs
index fc47e585ed..d6703cde0c 100644
--- a/crates/sncast/src/response/cast_message.rs
+++ b/crates/sncast/src/response/cast_message.rs
@@ -6,3 +6,31 @@ pub struct SncastMessage<T: CommandResponse> {
     pub command: String,
     pub command_response: T,
 }
+
+impl<T: CommandResponse> SncastMessage<T> {
+    pub fn to_json(&self) -> serde_json::Value {
+        match serde_json::to_value(&self.command_response) {
+            Ok(serde_json::Value::Object(mut map)) => {
+                map.insert(
+                    "command".to_string(),
+                    serde_json::Value::String(self.command.clone()),
+                );
+                serde_json::Value::Object(map)
+            }
+            Ok(other) => {
+                serde_json::json!({
+                    "error": "Expected a map for `command_response`",
+                    "command": self.command,
+                    "details": other.to_string()
+                })
+            }
+            Err(err) => {
+                serde_json::json!({
+                    "error": "Failed to serialize response",
+                    "command": self.command,
+                    "details": err.to_string()
+                })
+            }
+        }
+    }
+}
diff --git a/crates/sncast/src/response/declare.rs b/crates/sncast/src/response/declare.rs
index b4f77b2faf..2a4da1cbfa 100644
--- a/crates/sncast/src/response/declare.rs
+++ b/crates/sncast/src/response/declare.rs
@@ -8,7 +8,6 @@ use foundry_ui::styling;
 use indoc::formatdoc;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 #[derive(Clone, Serialize, Deserialize, CairoSerialize, Debug, PartialEq)]
 pub struct DeclareTransactionResponse {
     pub class_hash: PaddedFelt,
@@ -34,13 +33,7 @@ impl Message for SncastMessage<DeclareTransactionResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
@@ -64,13 +57,7 @@ impl Message for SncastMessage<AlreadyDeclaredResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
@@ -105,13 +92,7 @@ impl Message for SncastMessage<DeclareResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/deploy.rs b/crates/sncast/src/response/deploy.rs
index eebddedbe5..3258e39a53 100644
--- a/crates/sncast/src/response/deploy.rs
+++ b/crates/sncast/src/response/deploy.rs
@@ -6,7 +6,6 @@ use foundry_ui::styling;
 use indoc::formatdoc;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 
 use super::{command::CommandResponse, explorer_link::OutputLink};
 use crate::response::cast_message::SncastMessage;
@@ -36,13 +35,7 @@ impl Message for SncastMessage<DeployResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/invoke.rs b/crates/sncast/src/response/invoke.rs
index c93a408bb3..06d2088474 100644
--- a/crates/sncast/src/response/invoke.rs
+++ b/crates/sncast/src/response/invoke.rs
@@ -8,7 +8,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Deserialize, CairoSerialize, Clone, Debug, PartialEq)]
 pub struct InvokeResponse {
@@ -30,13 +29,7 @@ impl Message for SncastMessage<InvokeResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/multicall/new.rs b/crates/sncast/src/response/multicall/new.rs
index 968cab2351..cfd141863a 100644
--- a/crates/sncast/src/response/multicall/new.rs
+++ b/crates/sncast/src/response/multicall/new.rs
@@ -5,7 +5,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Clone)]
 pub struct MulticallNewResponse {
@@ -26,12 +25,6 @@ impl Message for SncastMessage<MulticallNewResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/multicall/run.rs b/crates/sncast/src/response/multicall/run.rs
index 9963f0ab45..b7b458d1e8 100644
--- a/crates/sncast/src/response/multicall/run.rs
+++ b/crates/sncast/src/response/multicall/run.rs
@@ -11,7 +11,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Deserialize, CairoSerialize, Clone, Debug, PartialEq)]
 pub struct MulticallRunResponse {
@@ -33,13 +32,7 @@ impl Message for SncastMessage<MulticallRunResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/script/init.rs b/crates/sncast/src/response/script/init.rs
index d2cbfe15fb..5e16919d16 100644
--- a/crates/sncast/src/response/script/init.rs
+++ b/crates/sncast/src/response/script/init.rs
@@ -4,7 +4,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Clone)]
 pub struct ScriptInitResponse {
@@ -23,12 +22,6 @@ impl Message for SncastMessage<ScriptInitResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/script/run.rs b/crates/sncast/src/response/script/run.rs
index 1b67768838..847e8273ec 100644
--- a/crates/sncast/src/response/script/run.rs
+++ b/crates/sncast/src/response/script/run.rs
@@ -4,7 +4,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, Debug, Clone)]
 pub struct ScriptRunResponse {
@@ -29,12 +28,6 @@ impl Message for SncastMessage<ScriptRunResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/serialize.rs b/crates/sncast/src/response/serialize.rs
index 47bb56afa2..23d26c7cae 100644
--- a/crates/sncast/src/response/serialize.rs
+++ b/crates/sncast/src/response/serialize.rs
@@ -5,7 +5,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use serde_json::json;
 use starknet_types_core::felt::Felt;
 
 #[derive(Serialize, Deserialize, CairoSerialize, Clone, Debug, PartialEq)]
@@ -25,12 +24,6 @@ impl Message for SncastMessage<SerializeResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/show_config.rs b/crates/sncast/src/response/show_config.rs
index fb3a248866..4a72cd4c12 100644
--- a/crates/sncast/src/response/show_config.rs
+++ b/crates/sncast/src/response/show_config.rs
@@ -4,7 +4,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 use super::command::CommandResponse;
 use crate::response::cast_message::SncastMessage;
@@ -67,12 +66,6 @@ impl Message for SncastMessage<ShowConfigResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/transformed_call.rs b/crates/sncast/src/response/transformed_call.rs
index f55a6184b2..0be0db8f15 100644
--- a/crates/sncast/src/response/transformed_call.rs
+++ b/crates/sncast/src/response/transformed_call.rs
@@ -8,7 +8,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 use starknet::core::types::{ContractClass, contract::AbiEntry};
 use starknet_types_core::felt::Felt;
 
@@ -39,13 +38,7 @@ impl Message for SncastMessage<TransformedCallResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
 
diff --git a/crates/sncast/src/response/tx_status.rs b/crates/sncast/src/response/tx_status.rs
index 1274fa655b..67af468a66 100644
--- a/crates/sncast/src/response/tx_status.rs
+++ b/crates/sncast/src/response/tx_status.rs
@@ -5,7 +5,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 #[derive(Serialize, CairoSerialize, Clone)]
 pub enum FinalityStatus {
@@ -57,12 +56,6 @@ impl Message for SncastMessage<TransactionStatusResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/response/verify.rs b/crates/sncast/src/response/verify.rs
index dd87adb913..8f4e23143b 100644
--- a/crates/sncast/src/response/verify.rs
+++ b/crates/sncast/src/response/verify.rs
@@ -2,7 +2,6 @@ use foundry_ui::Message;
 use foundry_ui::styling;
 use serde::Serialize;
 use serde_json::Value;
-use serde_json::json;
 
 use super::command::CommandResponse;
 use crate::response::cast_message::SncastMessage;
@@ -24,12 +23,6 @@ impl Message for SncastMessage<VerifyResponse> {
     }
 
     fn json(&self) -> Value {
-        serde_json::to_value(&self.command_response).unwrap_or_else(|err| {
-            json!({
-                "error": "Failed to serialize response",
-                "command": self.command,
-                "details": err.to_string()
-            })
-        })
+        self.to_json()
     }
 }
diff --git a/crates/sncast/src/starknet_commands/utils/mod.rs b/crates/sncast/src/starknet_commands/utils/mod.rs
index 69c32a7cfb..9e9c35511d 100644
--- a/crates/sncast/src/starknet_commands/utils/mod.rs
+++ b/crates/sncast/src/starknet_commands/utils/mod.rs
@@ -50,7 +50,7 @@ pub async fn utils(
                 .await
                 .map_err(handle_starknet_command_error)?;
 
-            process_command_result("serialize", Ok(result), ui, None);
+            process_command_result("utils serialize", Ok(result), ui, None);
         }
 
         Commands::ClassHash(class_hash) => {
diff --git a/crates/sncast/tests/e2e/account/create.rs b/crates/sncast/tests/e2e/account/create.rs
index af135dd365..46d5688464 100644
--- a/crates/sncast/tests/e2e/account/create.rs
+++ b/crates/sncast/tests/e2e/account/create.rs
@@ -1011,7 +1011,7 @@ pub async fn test_json_output_format() {
         .env("SNCAST_FORCE_SHOW_EXPLORER_LINKS", "1")
         .current_dir(temp_dir.path());
     snapbox.assert().stdout_matches(indoc! {r#"
-        {"add_profile":"Profile my_account successfully added to [..]/snfoundry.toml","address":"0x[..]","estimated_fee":"[..]","message":"Account successfully created but it needs to be deployed. The estimated deployment fee is [..] STRK. Prefund the account to cover deployment transaction fee/n/nAfter prefunding the account, run:/nsncast --accounts-file accounts.json account deploy --url [..] --name my_account"}
+        {"command":"account create","add_profile":"Profile my_account successfully added to [..]/snfoundry.toml","address":"0x[..]","estimated_fee":"[..]","message":"Account successfully created but it needs to be deployed. The estimated deployment fee is [..] STRK. Prefund the account to cover deployment transaction fee/n/nAfter prefunding the account, run:/nsncast --accounts-file accounts.json account deploy --url [..] --name my_account"}
         {"links":"account: https://sepolia.starkscan.co/contract/0x[..]","title":"account creation"}
     "#});
 }
diff --git a/crates/sncast/tests/e2e/account/deploy.rs b/crates/sncast/tests/e2e/account/deploy.rs
index 1e3938665c..bd5aaa4cae 100644
--- a/crates/sncast/tests/e2e/account/deploy.rs
+++ b/crates/sncast/tests/e2e/account/deploy.rs
@@ -609,6 +609,6 @@ pub async fn test_json_output_format() {
         .current_dir(tempdir.path());
     snapbox.assert().stdout_matches(indoc! {r#"
         {"transaction_hash":"0x0[..]"}
-        {"links":"transaction: https://sepolia.starkscan.co/tx/0x0[..]","title":"account deployment"}
+        {"command":"account deploy","links":"transaction: https://sepolia.starkscan.co/tx/0x0[..]","title":"account deployment"}
     "#});
 }
diff --git a/crates/sncast/tests/e2e/call.rs b/crates/sncast/tests/e2e/call.rs
index ac00a442e9..615273da08 100644
--- a/crates/sncast/tests/e2e/call.rs
+++ b/crates/sncast/tests/e2e/call.rs
@@ -290,6 +290,6 @@ fn test_json_output_format() {
     let snapbox = runner(&args);
 
     snapbox.assert().success().stdout_eq(indoc! {r#"
-        {"response":"0x0","response_raw":["0x0"]}
+        {"command":"call","response":"0x0","response_raw":["0x0"]}
     "#});
 }
diff --git a/crates/sncast/tests/e2e/deploy.rs b/crates/sncast/tests/e2e/deploy.rs
index 76cb451d15..593a560929 100644
--- a/crates/sncast/tests/e2e/deploy.rs
+++ b/crates/sncast/tests/e2e/deploy.rs
@@ -400,7 +400,7 @@ async fn test_json_output_format() {
     assert_stdout_contains(
         output,
         indoc! {r#"
-            {"contract_address":"0x[..]","transaction_hash":"0x[..]"}
+            {"command":"deploy","contract_address":"0x[..]","transaction_hash":"0x[..]"}
             {"links":"contract: https://sepolia.starkscan.co/contract/0x[..]\ntransaction: https://sepolia.starkscan.co/tx/0x[..]\n","title":"deployment"}
             "#},
     );
diff --git a/crates/sncast/tests/e2e/serialize.rs b/crates/sncast/tests/e2e/serialize.rs
index 525817152f..300e017c99 100644
--- a/crates/sncast/tests/e2e/serialize.rs
+++ b/crates/sncast/tests/e2e/serialize.rs
@@ -178,7 +178,7 @@ async fn test_happy_case_json() {
     let snapbox = runner(&args).current_dir(tempdir.path());
 
     snapbox.assert().success().stdout_eq(indoc! {r#"
-        {"calldata":["0x24","0x60"]}
+        {"command":"utils serialize","calldata":["0x24","0x60"]}
     "#});
 }