using System;
using Newtonsoft.Json;
public class Program
{
public static void Main()
var data = new Data { Time = long.MaxValue };
string json = JsonConvert.SerializeObject(data);
Console.WriteLine(json);
var data2 = JsonConvert.DeserializeObject<Data>(json);
Console.Write(data2.Time);
}
public class Data
public long Time { get; set; }