using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var ddm = new deviceDetailsModel();

        foreach (deviceDetailsModel.Detail d in ddm.device.details)

        {

            foreach (deviceDetailsModel.entry e in d)

            {

                //TODO

            }

        }

    }

}

​

    public class deviceDetailsModel

    {

        public int totalCount { get; set; }

        public string messages { get; set; }

        public Device device { get; set; }

​

​

        public class Entry

        {

            public string key { get; set; }

            public object value { get; set; }

        }

​

        public class Detail

        {

            public List<Entry> entry { get; set; }

        }

​

        public class Device

        {

            public string @id { get; set; }

            public string uuid { get; set; }

            public string principal { get; set; }

            public int blockReason { get; set; }

            public int clientId { get; set; }

            public string comment { get; set; }

            public int compliance { get; set; }

            public int countryCode { get; set; }

            public int countryId { get; set; }

            public string countryName { get; set; }

            public string createdAt { get; set; }

            public string currentPhoneNumber { get; set; }

            public List<Detail> details { get; set; }

        }

    }