diff --git a/packages/adena-extension/src/common/validation/validation-transaction.ts b/packages/adena-extension/src/common/validation/validation-transaction.ts
index 382e116bf..f49423aa9 100644
--- a/packages/adena-extension/src/common/validation/validation-transaction.ts
+++ b/packages/adena-extension/src/common/validation/validation-transaction.ts
@@ -15,6 +15,7 @@ export const validateInjectionData = (requestData: InjectionMessage): InjectionM
 export const validateInjectionDataWithAddress = (
   requestData: InjectionMessage,
   address: string,
+  multisig?: boolean,
 ): InjectionMessage | null => {
   if (!validateInjectionTransactionType(requestData)) {
     return InjectionMessageInstance.failure(
@@ -24,7 +25,7 @@ export const validateInjectionDataWithAddress = (
     );
   }
 
-  if (!validateInjectionTransactionMessageWithAddress(requestData, address)) {
+  if (!multisig && !validateInjectionTransactionMessageWithAddress(requestData, address)) {
     return InjectionMessageInstance.failure(
       WalletResponseFailureType.ACCOUNT_MISMATCH,
       { requestData, address },
diff --git a/packages/adena-extension/src/components/molecules/approve-transaction/index.tsx b/packages/adena-extension/src/components/molecules/approve-transaction/index.tsx
index b258a020a..feeefaf56 100644
--- a/packages/adena-extension/src/components/molecules/approve-transaction/index.tsx
+++ b/packages/adena-extension/src/components/molecules/approve-transaction/index.tsx
@@ -51,6 +51,7 @@ export interface ApproveTransactionProps {
   onClickConfirm: () => void;
   onClickCancel: () => void;
   useNetworkFeeReturn: UseNetworkFeeReturn;
+  multisig?: boolean;
 }
 
 export const ApproveTransaction: React.FC<ApproveTransactionProps> = ({
@@ -78,10 +79,15 @@ export const ApproveTransaction: React.FC<ApproveTransactionProps> = ({
   onClickConfirm,
   onClickCancel,
   openScannerLink,
+  multisig,
 }) => {
   const [openedNetworkFeeSetting, setOpenedNetworkFeeSetting] = useState(false);
 
   const disabledApprove = useMemo(() => {
+    if (multisig) {
+      return false
+    }
+
     if (useNetworkFeeReturn.isLoading) {
       return true;
     }
diff --git a/packages/adena-extension/src/pages/popup/wallet/approve-sign-transaction/index.tsx b/packages/adena-extension/src/pages/popup/wallet/approve-sign-transaction/index.tsx
index 3d213b9f2..1fa293b39 100644
--- a/packages/adena-extension/src/pages/popup/wallet/approve-sign-transaction/index.tsx
+++ b/packages/adena-extension/src/pages/popup/wallet/approve-sign-transaction/index.tsx
@@ -78,7 +78,21 @@ const ApproveSignTransactionContainer: React.FC = () => {
   const { openScannerLink } = useLink();
   const { data: currentBalance = null } = useGetGnotBalance();
 
-  const useNetworkFeeReturn = useNetworkFee(document, true);
+  let useNetworkFeeReturn = useNetworkFee(document, true);
+
+  if (requestData?.data?.multisig) {
+    useNetworkFeeReturn = {
+      ...useNetworkFeeReturn,
+      networkFee: {
+        amount: requestData.data.gasFee.toString(),
+        denom: GasToken.denom,
+      },
+      isLoading: false,
+      isSimulateError: false,
+      currentGasFeeRawAmount: requestData.data.gasFee,
+    }
+  }
+
   const networkFee = useNetworkFeeReturn.networkFee;
 
   const processing = useMemo(() => processType !== 'INIT', [processType]);
@@ -187,6 +201,7 @@ const ApproveSignTransactionContainer: React.FC = () => {
     const validationMessage = validateInjectionDataWithAddress(
       requestData,
       await currentAccount.getAddress(defaultAddressPrefix),
+      requestData.data?.multisig,
     );
     if (validationMessage) {
       chrome.runtime.sendMessage(validationMessage);
@@ -247,22 +262,45 @@ const ApproveSignTransactionContainer: React.FC = () => {
     }
 
     const currentMemo = memo;
-    const currentGasPrice = useNetworkFeeReturn.currentGasFeeRawAmount;
-    const currentGasWanted = useNetworkFeeReturn.currentGasInfo?.gasWanted || 0;
-
-    const updatedDocument: Document = {
-      ...document,
-      memo: currentMemo,
-      fee: {
-        amount: [
-          {
-            amount: currentGasPrice.toString(),
-            denom: GasToken.denom,
-          },
-        ],
-        gas: currentGasWanted.toString(),
-      },
-    };
+
+    let updatedDocument: Document
+    if (requestData?.data?.multisig) {
+      const currentGasPrice = requestData.data.gasFee
+      const currentGasWanted = requestData.data.gasWanted
+
+      updatedDocument = {
+        ...document,
+        memo: currentMemo,
+        account_number: requestData.data.accountNumber.toString(),
+        sequence: requestData.data.sequence.toString(),
+        fee: {
+          amount: [
+            {
+              amount: currentGasPrice.toString(),
+              denom: GasToken.denom,
+            },
+          ],
+          gas: currentGasWanted.toString(),
+        },
+      };
+    } else {
+      const currentGasPrice = useNetworkFeeReturn.currentGasFeeRawAmount;
+      const currentGasWanted = useNetworkFeeReturn.currentGasInfo?.gasWanted || 0;
+
+      updatedDocument = {
+        ...document,
+        memo: currentMemo,
+        fee: {
+          amount: [
+            {
+              amount: currentGasPrice.toString(),
+              denom: GasToken.denom,
+            },
+          ],
+          gas: currentGasWanted.toString(),
+        },
+      };
+    }
 
     setDocument(updatedDocument);
     setTransactionData(mappedTransactionData(updatedDocument));
@@ -406,6 +444,7 @@ const ApproveSignTransactionContainer: React.FC = () => {
       openScannerLink={openScannerLink}
       opened={visibleTransactionInfo}
       transactionData={JSON.stringify(document, null, 2)}
+      multisig={requestData?.data?.multisig}
     />
   );
 };
diff --git a/packages/adena-extension/src/pages/popup/wallet/approve-sign/index.tsx b/packages/adena-extension/src/pages/popup/wallet/approve-sign/index.tsx
index 238c31491..920ce9f18 100644
--- a/packages/adena-extension/src/pages/popup/wallet/approve-sign/index.tsx
+++ b/packages/adena-extension/src/pages/popup/wallet/approve-sign/index.tsx
@@ -78,7 +78,21 @@ const ApproveSignContainer: React.FC = () => {
 
   const { data: currentBalance = null } = useGetGnotBalance();
 
-  const useNetworkFeeReturn = useNetworkFee(document, true);
+  let useNetworkFeeReturn = useNetworkFee(document, true); // XXX: prevent useless network calls
+
+  if (requestData?.data?.multisig) {
+    useNetworkFeeReturn = {
+      ...useNetworkFeeReturn,
+      networkFee: {
+        amount: requestData.data.gasFee.toString(),
+        denom: GasToken.denom,
+      },
+      isLoading: false,
+      isSimulateError: false,
+      currentGasFeeRawAmount: requestData.data.gasFee,
+    }
+  }
+
   const networkFee = useNetworkFeeReturn.networkFee;
 
   const processing = useMemo(() => processType !== 'INIT', [processType]);
@@ -186,6 +200,7 @@ const ApproveSignContainer: React.FC = () => {
     const validationMessage = validateInjectionDataWithAddress(
       requestData,
       await currentAccount.getAddress('g'),
+      requestData.data?.multisig,
     );
     if (validationMessage) {
       chrome.runtime.sendMessage(validationMessage);
@@ -246,22 +261,45 @@ const ApproveSignContainer: React.FC = () => {
     }
 
     const currentMemo = memo;
-    const currentGasPrice = useNetworkFeeReturn.currentGasFeeRawAmount;
-    const currentGasWanted = useNetworkFeeReturn.currentGasInfo?.gasWanted || 0;
-
-    const updatedDocument: Document = {
-      ...document,
-      memo: currentMemo,
-      fee: {
-        amount: [
-          {
-            amount: currentGasPrice.toString(),
-            denom: GasToken.denom,
-          },
-        ],
-        gas: currentGasWanted.toString(),
-      },
-    };
+
+    let updatedDocument: Document
+    if (requestData?.data?.multisig) {
+      const currentGasPrice = requestData.data.gasFee
+      const currentGasWanted = requestData.data.gasWanted
+
+      updatedDocument = {
+        ...document,
+        memo: currentMemo,
+        account_number: requestData.data.accountNumber.toString(),
+        sequence: requestData.data.sequence.toString(),
+        fee: {
+          amount: [
+            {
+              amount: currentGasPrice.toString(),
+              denom: GasToken.denom,
+            },
+          ],
+          gas: currentGasWanted.toString(),
+        },
+      };
+    } else {
+      const currentGasPrice = useNetworkFeeReturn.currentGasFeeRawAmount;
+      const currentGasWanted = useNetworkFeeReturn.currentGasInfo?.gasWanted || 0;
+
+      updatedDocument = {
+        ...document,
+        memo: currentMemo,
+        fee: {
+          amount: [
+            {
+              amount: currentGasPrice.toString(),
+              denom: GasToken.denom,
+            },
+          ],
+          gas: currentGasWanted.toString(),
+        },
+      };
+    }
 
     setDocument(updatedDocument);
     setTransactionData(mappedTransactionData(updatedDocument));
@@ -280,12 +318,16 @@ const ApproveSignContainer: React.FC = () => {
     }
 
     try {
-      const signature = await transactionService.createSignature(currentAccount, document);
+      const signature = await transactionService.createSignature(
+        currentAccount,
+        document,
+      );
+      const addr = await currentAccount?.getAddress('g')
       setProcessType('PROCESSING');
       setResponse(
         InjectionMessageInstance.success(
           WalletResponseSuccessType.SIGN_SUCCESS,
-          { document, signature },
+          { document, signature, account:  addr},
           requestData?.key,
         ),
       );
@@ -306,7 +348,7 @@ const ApproveSignContainer: React.FC = () => {
       setResponse(
         InjectionMessageInstance.failure(
           WalletResponseFailureType.SIGN_FAILED,
-          {},
+          { error: { message: `${e}` } },
           requestData?.key,
         ),
       );
@@ -401,6 +443,7 @@ const ApproveSignContainer: React.FC = () => {
       openScannerLink={openScannerLink}
       opened={visibleTransactionInfo}
       transactionData={JSON.stringify(document, null, 2)}
+      multisig={requestData?.data?.multisig}
     />
   );
 };
diff --git a/packages/adena-module/src/wallet/keyring/keyring-util.ts b/packages/adena-module/src/wallet/keyring/keyring-util.ts
index 58622a325..3da3ccc75 100644
--- a/packages/adena-module/src/wallet/keyring/keyring-util.ts
+++ b/packages/adena-module/src/wallet/keyring/keyring-util.ts
@@ -1,4 +1,4 @@
-import { Tx, Wallet as Tm2Wallet } from '@gnolang/tm2-js-client';
+import { Tx, Wallet as Tm2Wallet, SignTransactionOptions } from '@gnolang/tm2-js-client';
 
 import { decodeTxMessages, Document, documentToTx } from './../../utils/messages';
 import { AddressKeyring } from './address-keyring';
@@ -51,5 +51,13 @@ export function makeSignedTx(wallet: Tm2Wallet, document: Document): Promise<Tx>
   const tx = documentToTx(document);
   const decodeTxMessageFunction = decodeTxMessages;
 
-  return wallet.signTransaction(tx, decodeTxMessageFunction);
+  const opts: SignTransactionOptions = {}
+  if (document.account_number) {
+    opts.accountNumber = document.account_number
+  }
+  if (document.sequence) {
+    opts.sequence = document.sequence
+  }
+
+  return wallet.signTransaction(tx, decodeTxMessageFunction, opts);
 }