diff --git a/Solnet.Metaplex.Examples/MetadataCreate.cs b/Solnet.Metaplex.Examples/MetadataCreate.cs
index 60a213e..e4bc7a6 100644
--- a/Solnet.Metaplex.Examples/MetadataCreate.cs
+++ b/Solnet.Metaplex.Examples/MetadataCreate.cs
@@ -33,7 +33,7 @@ public void Run()
             if ( balanceRes.WasSuccessful )
                 Console.WriteLine("Account balance: {0}", balanceRes.Result.Value);
 
-            var mint = wallet.GetAccount(20);
+            var mint = wallet.GetAccount(55);
 
                         //PDA METADATA
 
@@ -132,15 +132,15 @@ out nonce
                         true
                     )
                 )
-                .AddInstruction(
-                    MetadataProgram.UpdateMetadataAccount(
-                        new PublicKey(metadataAddress),
-                        wallet.Account.PublicKey,
-                        null,
-                        data2,
-                        null
-                    )
-                )
+                // .AddInstruction(
+                //     MetadataProgram.UpdateMetadataAccount(
+                //         new PublicKey(metadataAddress),
+                //         wallet.Account.PublicKey,
+                //         null,
+                //         data2,
+                //         null
+                //     )
+                // )
                 .Build(new List<Account> { wallet.Account , mint});
 
             var simTX = client.SimulateTransactionAsync(TX).Result;
diff --git a/Solnet.Metaplex.Test/MetadataTest.cs b/Solnet.Metaplex.Test/MetadataTest.cs
index 49160d2..48dafaf 100644
--- a/Solnet.Metaplex.Test/MetadataTest.cs
+++ b/Solnet.Metaplex.Test/MetadataTest.cs
@@ -121,7 +121,7 @@ public void MintToken()
 
         }
     
-        //[TestMethod]
+        [TestMethod]
         public void TestCreateMetadataAccount()
         {
             var rpcClient = ClientFactory.GetClient(Cluster.DevNet); //, logger);
@@ -197,12 +197,12 @@ out nonce
                         true                    //ISMUTABLE
                     )
                 )
-                // .AddInstruction(
-                //     MetadataProgram.SignMetada(
-                //         new PublicKey(metadataAddress),
-                //         c2.key
-                //     )
-                // )
+                 .AddInstruction(
+                     MetadataProgram.SignMetada(
+                         new PublicKey(metadataAddress),
+                         c2.key
+                     )
+                 )
                 .AddInstruction(
                     MetadataProgram.PuffMetada(
                         new PublicKey(metadataAddress)
@@ -221,12 +221,14 @@ out nonce
                 )
             .Build(new List<Account> { fromAccount, wallet.GetAccount(101) });
 
-            //var txSim2 = rpcClient.SimulateTransaction(TX2);
+            var txSim2 = rpcClient.SimulateTransaction(TX2);
 
             //InstructionDecoder.Register(MetadataProgram.ProgramIdKey, MetadataProgram.Decode);
             //List<DecodedInstruction> decodedInstructions = InstructionDecoder.DecodeInstructions( TX2 );
 
-            //Console.WriteLine($"Transaction sim: \n { txSim2.RawRpcResponse }");
+            Console.WriteLine($"Transaction sim: \n { txSim2.RawRpcResponse }");
+
+            Assert.IsFalse( txSim2.RawRpcResponse.Contains("Error"));
 
         }
 
diff --git a/Solnet.Metaplex/MetadataAccount.cs b/Solnet.Metaplex/MetadataAccount.cs
index b915e68..7df88d5 100644
--- a/Solnet.Metaplex/MetadataAccount.cs
+++ b/Solnet.Metaplex/MetadataAccount.cs
@@ -91,9 +91,14 @@ public static Data ParseData( List<string> data)
                 byte[] bytes = Convert.FromBase64String(data[0]);
                 ReadOnlySpan<byte> binData = new(bytes);
 
-                (string name,_) = binData.DecodeRustString( MetadataAccountLayout.nameOffset);
-                (string symbol,_) = binData.DecodeRustString( MetadataAccountLayout.symbolOffset);
-                (string uri,_) = binData.DecodeRustString( MetadataAccountLayout.uriOffset);
+                string name;
+                string symbol;
+                string uri;
+
+                binData.GetString( MetadataAccountLayout.nameOffset, out name);
+                binData.GetString( MetadataAccountLayout.symbolOffset, out symbol);
+                binData.GetString( MetadataAccountLayout.uriOffset, out uri);
+
                 uint sellerFee = binData.GetU16( MetadataAccountLayout.feeBasisOffset );
 
                 var numOfCreators = binData.GetU16( MetadataAccountLayout.creatorsOffset );
diff --git a/Solnet.Metaplex/MetadataProgramData.cs b/Solnet.Metaplex/MetadataProgramData.cs
index 682f588..e07d9c3 100644
--- a/Solnet.Metaplex/MetadataProgramData.cs
+++ b/Solnet.Metaplex/MetadataProgramData.cs
@@ -120,23 +120,27 @@ internal static byte[] EncodeCreateMetadataAccountData (
         )
         {
 
-            byte[] encodedName = Serialization.EncodeRustString(parameters.name);
-            byte[] encodedSymbol = Serialization.EncodeRustString(parameters.symbol);
-            byte[] encodedUri = Serialization.EncodeRustString(parameters.uri);
+            byte[] encodedName = Encoding.UTF8.GetBytes(parameters.name); 
+            byte[] encodedSymbol = Encoding.UTF8.GetBytes(parameters.symbol);
+            byte[] encodedUri = Encoding.UTF8.GetBytes(parameters.uri);
 
             var buffer = new MemoryStream();
             BinaryWriter writer = new BinaryWriter(buffer);
 
             writer.Write( (byte) MetadataProgramInstructions.Values.CreateMetadataAccount );
+            writer.Write( encodedName.Length );
             writer.Write( encodedName) ;
+            writer.Write( encodedSymbol.Length );
             writer.Write( encodedSymbol );
+            writer.Write( encodedUri.Length );
             writer.Write( encodedUri );
             writer.Write( (ushort) parameters.sellerFeeBasisPoints);
 
             if ( parameters.creators == null || parameters.creators?.Count < 1 )
             {
                 writer.Write( (byte) 0); //Option()
-            } else 
+            } 
+            else 
             {
                 writer.Write( (byte) 1);
                 writer.Write( parameters.creators.Count );
@@ -170,13 +174,17 @@ internal static byte[] EncodeUpdateMetadataData (
             {
                 writer.Write((byte)1);
 
-                byte[] encodedName = Serialization.EncodeRustString(parameters.name);
-                byte[] encodedSymbol = Serialization.EncodeRustString(parameters.symbol);
-                byte[] encodedUri = Serialization.EncodeRustString(parameters.uri);
+                byte[] encodedName = Encoding.UTF8.GetBytes(parameters.name);
+                byte[] encodedSymbol = Encoding.UTF8.GetBytes(parameters.symbol);
+                byte[] encodedUri = Encoding.UTF8.GetBytes(parameters.uri);
+
+                writer.Write(encodedName.Length);
+                writer.Write(encodedName);
+                writer.Write(encodedSymbol.Length);
+                writer.Write(encodedSymbol);
+                writer.Write(encodedUri.Length);
+                writer.Write(encodedUri);
 
-                writer.Write( encodedName) ;
-                writer.Write( encodedSymbol );
-                writer.Write( encodedUri );
                 writer.Write( (ushort) parameters.sellerFeeBasisPoints);
 
                 if ( parameters.creators == null || parameters.creators?.Count < 1 )
@@ -271,10 +279,15 @@ byte[] keyIndices
             decodedInstruction.Values.Add("updateAuthorityKey", keys[keyIndices[4]]);
             decodedInstruction.Values.Add("SysProgramId", keys[keyIndices[5]]);
             decodedInstruction.Values.Add("SysVarRentKey", keys[keyIndices[6]]);
+
+            string name;
+            string symbol;
+            string uri;
+
+            int nameLength = data.GetString( 1 , out name);
+            int symbolLength = data.GetString( 1 + nameLength , out symbol);
+            int uriLength = data.GetString( 1 + nameLength + symbolLength  ,out uri);
             
-            (string name , int nameLength)  = data.DecodeRustString(1);
-            (string symbol, int symbolLength) = data.DecodeRustString(1 + nameLength);
-            (string uri, int uriLength) = data.DecodeRustString(1 + nameLength+symbolLength);
             int sellerFeeBasisPoints = data.GetU16(1 + nameLength + symbolLength + uriLength);
             
             decodedInstruction.Values.Add("name", name );
@@ -335,9 +348,15 @@ byte[] keyIndices
             if ( data.GetU8(offset) == 1 )
             {
                 offset++;
-                (string name , int nameLength)  = data.DecodeRustString(offset);
-                (string symbol, int symbolLength) = data.DecodeRustString(offset+nameLength);
-                (string uri, int uriLength) = data.DecodeRustString(offset+nameLength+symbolLength);
+
+                string name;
+                string symbol;
+                string uri;
+
+                int nameLength = data.GetString(offset, out name);
+                int symbolLength = data.GetString(offset + nameLength, out symbol);
+                int uriLength = data.GetString(offset + nameLength + symbolLength, out uri);
+
                 int sellerFeeBasisPoints = data.GetU16(offset + nameLength + symbolLength + uriLength);
 
                 decodedInstruction.Values.Add("name", name );