using System;

using Newtonsoft.Json;

    public class Account

    {

        public string name { get; set; }

        public string id { get; set; }

        public string last_id {get;set;}

    }

public class Payload {

    public Account data {get;set;}

}

​

public class Program

{

    public static void Main()

    {

        var data_str = @"{""data"":{""name"":""Phone"",""id"":""2532"",""last_id"":""88883""}}";

        var payload = JsonConvert.DeserializeObject<Payload>(data_str);

        Console.WriteLine(payload.data.name);

        Console.WriteLine(payload.data.id);

        Console.WriteLine(payload.data.last_id);

    }

}