using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using Newtonsoft.Json.Serialization;

public class Program

{

    public static void Main()

    {

        Dictionary<string, dynamic> dick = new Dictionary<string, dynamic>();

        dick.Add("@@x-loco-version", "1.0.25 20210916-1");

        dick.Add("230", "value");

        dick.Add("@230", new {context="PRoximimates",description="Note this"});

        var json = JsonConvert.SerializeObject(dick);

    Console.WriteLine(json);

    }

}