using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Account account = new Account

        {

            Email = "james@example.com",

            Active = true,

            CreatedDate = new DateTime(2013, 1, 20, 0, 0, 0, DateTimeKind.Utc),

            Roles = new List<string>

            {

                "User",

                "Admin"

            }

        };

​

        string json = Newtonsoft.Json.JsonConvert.SerializeObject(account, Formatting.Indented);

        Console.WriteLine(json);

    }

}

public class Account

{

    public string Email { get; set; }

    public bool Active { get; set; }

    public DateTime CreatedDate { get; set; }

    public IList<string> Roles { get; set; }

}

​