using System;

using System.Text.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        SomeObject obj = new SomeObject{

            Property1 = "value of property 1",

            Property2 = "value of property 2"

        };

        string s = obj.ToJsonString();

        Console.WriteLine($"Json body: {s}");

        SomeObject obj2 = s.ToObject<SomeObject>();

        Console.WriteLine($"obj2.Property1 = {obj2.Property1}");

    }

}

​

public static class Extensions{

    public static string ToJsonString<T>(this T obj){

        return JsonSerializer.Serialize(obj);

    }

    public static T ToObject<T>(this string objectStr){

      return JsonSerializer.Deserialize<T>(objectStr);

    }

}

​

public class SomeObject{

    public string Property1 { get; set; }

    public string Property2 { get; set; }

}