using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        var jsonString = "{\"$id\":\"649271776\",\"$type\":\"outdoorgame\",\"Overs\":50,\"Balls\":6,\"TeamName\":\"TestTeam\"}";

        Console.WriteLine("                        Original: " + jsonString);

        JToken jsonObject = JToken.Parse(jsonString);

        jsonObject["Overs"] = 10;

        var modifiedJsonString = JsonConvert.SerializeObject(jsonObject);

        Console.WriteLine("            Just 'Overs' updated: " + modifiedJsonString);

        jsonObject["$type"] = "asdf";

        jsonObject["$id"] = 123456;

        var modifiedJsonString2 = JsonConvert.SerializeObject(jsonObject);

        Console.WriteLine("Update '$id' and '$type' as well: " + modifiedJsonString2);

    }

}