using System;

using System.Net.Http.Json;

using System.Text.Json;

​

public class Person

{

    public string Name { get; set; }

    public int Age { get; set; }

}

​

public class Program

{

    public static void Main()

    {

        // Create an instance of the Person object

        var person = new Person

        {

            Name = "John O'Grady",

            Age = 30

        };

        var options = new JsonSerializerOptions

        {

            Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping

        };

​

        // Serialize the person object to JSON using JsonContent

        JsonContent content = JsonContent.Create(person, null, options);

​

        // Read the JSON string from the JsonContent

        string jsonString = content.ReadAsStringAsync().Result;

​

        // Print the JSON string

        Console.WriteLine(jsonString);

    }

}