using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = "{  \"status\": {    \"key1\": \"value1\",    \"key2\": \"value2\",    \"key3\": \"value3\",    \"key4\": \"value4\",    \"key5\": \"value5\"  },  \"message\": \"success\"}";

        Rootobject rootObj = JsonConvert.DeserializeObject<Rootobject>(json);

        Console.WriteLine("# Keys: " + rootObj.status.Keys.Count);

        Console.WriteLine("Message: " + rootObj.message);

    }

}

​

public class Rootobject

{

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

    public string message { get; set; }

}