using System;

using System.Collections.Generic;

public class Program

{

    public class UserNotificationModel

    {

        public int ItemId { get; set; }

        public int FeedItemType { get; set; }

        public int ActionType { get; set; }

        public int NewQuestions { get; set; }

        public int NewMeetings { get; set; }

​

        public int NewFeedbacks { get; set; }

​

        public int NewInspirations { get; set; }

​

        public int NewDilemmas { get; set; }

​

        public int Bages

        {

            get

            {

                return this.NewQuestions + this.NewMeetings + this.NewFeedbacks + this.NewInspirations + this.NewDilemmas;

            }

        }

    }

    public static void Main()

    {

        var notificationModel = new UserNotificationModel();

        notificationModel.NewQuestions = 1;

        notificationModel.NewFeedbacks = 2;

        notificationModel.NewInspirations = 3;

        notificationModel.NewDilemmas = 4;

        notificationModel.ItemId = 123;

        notificationModel.FeedItemType = 456;

        notificationModel.ActionType = 2;

        var data = new

        {

            to = "fAVuRxZrXbA:APA91bGTuBnW1ZvJ9VvgzXcFDObFjffyX7_2VxbM06oQfoHWelcgIIs_Dw5EIzDSj-4dhTqGcZBng-ac9djTQ0kcqeSiKF2WpSmH7lFzlS35n86d_781aQiSK9B-joglOSGKYtINkzUU",

            notification = new

            {

                title = "lol"

            },

            itemInfoContent = new Dictionary<string, object>

            {

                { "item_id", notificationModel.ItemId },

                { "item_type", notificationModel.FeedItemType },

                { "action_type", notificationModel.ActionType }

            },

            bagesInfo = new Dictionary<string, object>

            {

                { "new_questions", notificationModel.NewQuestions },

                { "new_meetings", notificationModel.NewMeetings },

                { "new_feedbacks", notificationModel.NewFeedbacks },

                { "new_inspirations", notificationModel.NewInspirations },

                { "new_dilemmas", notificationModel.NewDilemmas }

            }

        };

​

        var postData = Newtonsoft.Json.JsonConvert.SerializeObject(data);

        Console.WriteLine(postData);

    }

}