using System;

​

using System.Text.Json;

using System.Text.Json.Nodes;

​

using System.Linq;

​

//https://stackoverflow.com/questions/75147188/how-to-show-the-decimal-value-as-it-is-when-deserializing-using-json-net-in-azur

​

public class Program

{

    public static void Main()

    {

        string json = 

            """

            {

                "x1": 1.55391E4,

                "x2": 2.2173244E5,

                "x3": 1.11226E3,

                 "UpdatedDateTime": "2023-01-17T20:45:51.959+08:00"

            }

            """;

        var obj = JsonNode.Parse(json);

        Console.WriteLine(obj); //preserveDateTimeZone

        var obj2 = JsonSerializer.Deserialize<JsonElement>(json);

        Console.WriteLine(obj2); //preserveDateTimeZone

​

    }

}

​