using System;

using System.Xml.Serialization;

using System.Linq;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {   

        var token = JToken.Parse("{ \"a\": true }");        

        var wrapper = new {

            A = 1,

            B = "some value",

            С = DateTimeOffset.Now,

            J = token

        };

        JsonConvert.SerializeObject(wrapper).Dump();

​

    }

}

​

​