using Newtonsoft.Json;

using System;

​

namespace Example

{

    public class GameState

    {

        [JsonProperty("$id")] public string ID { get; set; }

        [JsonProperty("$type")] public string Type { get; set; }

        public int Overs { get; set; }

        public int Balls { get; set; }

        public string TeamName { get; set; }

    }

​

    public static class Program

    {

        public static void Main(string[] args)

        {

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

            JsonSerializerSettings settings = new JsonSerializerSettings() { MetadataPropertyHandling = MetadataPropertyHandling.Ignore };

            GameState jsonObject = JsonConvert.DeserializeObject<GameState>(jsonString, settings);

            jsonObject.Overs = 10;

            var modifiedJsonString = JsonConvert.SerializeObject(jsonObject);

            Console.WriteLine(modifiedJsonString);

        }

    }

}