using System;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

              ""version"": ""11.16.1"",

              ""data"": {

                ""key"": ""111"",

                ""Aatrox"": {

                    ""key"": ""Akey"",

                    ""name"": ""Aname""

              }

              }

            }";

        JObject jo = JObject.Parse(json);

        Console.WriteLine("User ID: " + (string)jo.SelectToken("data.Aatrox.name"));

    }

}