using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        var cmd = new 

        {

            Command = "BrandDeactivated",

            Arguments = new 

            {

                Platform = "UP",

                BrandId = "123"

            }

        };

        var cmdJson = JsonConvert.SerializeObject(cmd);

        Console.WriteLine(cmdJson);

        var sns = new SNSMessage { Message = cmdJson };

        var snsJson = JsonConvert.SerializeObject(sns);

        Console.WriteLine(snsJson);

        var sqs = new SQSMessage { body = snsJson };

        var sqsJson = JsonConvert.SerializeObject(sqs);

        Console.WriteLine(sqsJson);

    }

    public class SNSMessage 

    {

        public string Message { get; set; }

    }

    public class SQSMessage

    {

        public string body { get; set; }

    }

}