do not serialize method as params in nip47

Author: Kukks

NNostr.Client/NNostr.Client.csproj

@@ -6,7 +6,7 @@
         <Nullable>enable</Nullable>
         <LangVersion>11</LangVersion>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-        <PackageVersion>0.0.42</PackageVersion>
+        <PackageVersion>0.0.43</PackageVersion>
         <Title>Nostr Client</Title>
         <Description>A client for Nostr</Description>
         <Copyright>MIT</Copyright>

NNostr.Client/Protocols/NIP47.cs

@@ -306,10 +306,12 @@ public class Nip47Request
 
         public static Nip47Request Create(string method, object parameters)
         {
+            var parametersJson = JsonSerializer.Deserialize<JsonObject>(JsonSerializer.Serialize(parameters));
+            parametersJson?.Remove("Method");
             return new Nip47Request()
             {
                 Method = method,
-                Parameters = JsonSerializer.Deserialize<JsonObject>(JsonSerializer.Serialize(parameters))
+                Parameters = parametersJson?? new JsonObject()
             };
         }
     }