using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = @"{

          ""someNumber"":""111222333"",

           ""theList"":{

             ""0"":""1233"",

             ""1"":""2333""          

           },

          ""something"":""thisThing""

        }";

        var model = JsonConvert.DeserializeObject<Item>(json);

        model.Dump();

    }

}

​

public class Item

{

​

    [JsonProperty("someNumber")]

    public long Number{ get; set; }

​

    [JsonProperty("theList")]

    public Dictionary<string, string> NumberList{ get; set; }

​

    [JsonProperty("something")]

    public string Something{ get; set; }

}