using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using System.Reflection;                    

public class Program

{

    public static T GetObjectAs<T>(object source, T destinationType)

   where T: class

{

     return Convert.ChangeType(source, typeof(T)) as T;

}

    public static void Main()

    {

        //From Object to string

        var nameMessage = new MessageWrapper<Name>();

        nameMessage.Message = new Name {First="Bob", Last = "Smith"};

        string serialized = JsonConvert.SerializeObject(nameMessage);

        //From String to Object

        var deserialized = JsonConvert.DeserializeObject<MessageWrapper>(serialized);

        var messageType = Type.GetType(deserialized.MessageType);

        dynamic message = JsonConvert.DeserializeObject(Convert.ToString(deserialized.Message), messageType);

        Name myname = GetObjectAs(message, System.Reflection.Assembly.GetExecutingAssembly().CreateInstance("Name"));

        //Name myname =  Convert.ChangeType(message,messageType) as Name;

        Console.WriteLine(myname.First);

    }

}

​

public class MessageWrapper<T>

{

    public string MessageType { get { return typeof(T).FullName; } }

    public T Message { get; set; }

}

​

public class MessageWrapper

{

    public string MessageType { get; set; }

    public object Message { get; set; }

}

​

​

public class Name

{

    public string First;

    public string Last;

}

​

​