using System;

using System.Collections.Generic;

using Newtonsoft.Json;

​

public class Program

{

    public class PriceOverview

    {

        public string currency

        {

            get;

            set;

        }

​

        public int initial

        {

            get;

            set;

        }

​

        public int final

        {

            get;

            set;

        }

​

        public int discount_percent

        {

            get;

            set;

        }

    }

​

    public class Data

    {

        public PriceOverview price_overview

        {

            get;

            set;

        }

    }

​

    public class RootObject

    {

        public bool success

        {

            get;

            set;

        }

​

        public Data data

        {

            get;

            set;

        }

    }

​

    public static void Main()

    {

        var input = "{\"578080\":{\"success\":true,\"data\":{\"price_overview\":{\"currency\":\"USD\",\"initial\":1799,\"final\":1799,\"discount_percent\":0}}}}";

        var results = JsonConvert.DeserializeObject<Dictionary<string, RootObject>>(input);

        foreach (var result in results)

        {

            Console.WriteLine(result.Key);

            Console.WriteLine(result.Value.data.price_overview.currency);

            Console.WriteLine(result.Value.data.price_overview.initial);

            Console.WriteLine(result.Value.data.price_overview.final);

            Console.WriteLine(result.Value.data.price_overview.discount_percent);

        }

    }

}