using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public class stuff{

        public int id = 0;

        public string text = "asd";

    }

    public static void Main()

    {

​

        Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(new stuff(){id = 123, text = "asda"}, Newtonsoft.Json.Formatting.Indented));

    }

}