Fixed AccountInfo to return proper values.

src/Solnet.Rpc/Models/AccountData.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Solnet.Rpc.Models
+{
+    public class TokenAccountInfo
+    {
+        public TokenBalance TokenAmount { get; set; }
+
+        public string? Delegate { get; set; }
+
+        public ulong DelegatedAmount { get; set; }
+
+        public string State { get; set; }
+
+        public bool IsNative { get; set; }
+
+        public string Mint { get; set; }
+
+        public string Owner { get; set; }
+    }
+
+    public class ParsedTokenAccountData
+    {
+        public string Type { get; set; }
+
+        public TokenAccountInfo Info { get; set; }
+    }
+
+    public class TokenAccountData
+    {
+        public string Program { get; set; }
+
+        public ParsedTokenAccountData Parsed { get; set; }
+    }
+
+    public class LargeAccount : TokenBalance
+    {
+        public string Address { get; set; }
+    }
+
+    public class TokenBalance
+    {
+        public string Amount { get; set; }
+
+        public int Decimals { get; set; }
+
+        public decimal? UiAmount { get; set; }
+
+        public string UiAmountString { get; set; }
+    }
+}

src/Solnet.Rpc/Models/AccountDataJsonConverter.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Solnet.Rpc.Models
+{
+    public class AccountDataJsonConverter : JsonConverter<object>
+    {
+        public override object Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if(reader.TokenType == JsonTokenType.StartArray)
+            {
+                return JsonSerializer.Deserialize<List<string>>(ref reader, options);
+            } 
+            else if (reader.TokenType == JsonTokenType.StartObject)
+            {
+                return JsonSerializer.Deserialize<TokenAccountData>(ref reader, options);
+            }
+            return null;
+        }
+
+        public override void Write(Utf8JsonWriter writer, object value, JsonSerializerOptions options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/Solnet.Rpc/Models/AccountInfo.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace Solnet.Rpc.Models
 {
@@ -12,6 +13,35 @@ public class AccountInfo
 
         public ulong RentEpoch { get; set; }
 
-        public IList<string> Data { get; set; }
+        [JsonConverter(typeof(AccountDataJsonConverter))]
+        public object Data { get; set; }
+
+        /// <summary>
+        /// Tries to retrieve the Account data as a TokenAccountData encoded object.
+        /// </summary>
+        /// <param name="accData">The account data.</param>
+        /// <returns>Returns true if the account data was foud as a TokenAccountData object, false otherwise.</returns>
+        public bool TryGetAccountData(out TokenAccountData accData)
+        {
+            accData = (TokenAccountData)Data;
+            return accData != null;
+        }
+
+        /// <summary>
+        /// Tries to retrieve the Account data as a base64 encoded string.
+        /// </summary>
+        /// <param name="accData">The account data.</param>
+        /// <returns>Returns true if the account data was foud as a string, false otherwise.</returns>
+        public bool TryGetAccountData(out string accData)
+        {
+            accData = null;
+            var list = (IList<string>)Data;
+            if(list.Count > 0)
+            {
+                accData = list[0];
+                return true;
+            }
+            return false;
+        }
     }
 }

src/Solnet.Rpc/SolanaStreamingRpcClient.cs

@@ -196,7 +196,7 @@ public async Task<SubscriptionState> SubscribeAccountInfoAsync(string pubkey, Ac
         {
             var sub = new SubscriptionState<ResponseValue<AccountInfo>>(this, SubscriptionChannel.Account, callback, new List<object> { pubkey });
 
-            var msg = new JsonRpcRequest(_idGenerator.GetNextId(), "accountSubscribe", new List<object> { pubkey, new Dictionary<string, string> { { "encoding", "base64" } } });
+            var msg = new JsonRpcRequest(_idGenerator.GetNextId(), "accountSubscribe", new List<object> { pubkey, new Dictionary<string, string> { { "encoding", "jsonParsed" } } });
 
             var json = JsonSerializer.SerializeToUtf8Bytes(msg, new JsonSerializerOptions { WriteIndented = false, PropertyNamingPolicy = JsonNamingPolicy.CamelCase });