using System;

using System.Text.Json;

using Newtonsoft.Json;

​

public class Person {

    public string Name;

    public string Role;

}

public class Program

{

    public static void Main()

    {

        string json = "{\"Name\":\"John\",\"Role\":\"Software Engineer\"}";

        using JsonDocument doc = JsonDocument.Parse(json);

        JsonElement jsonElement = doc.RootElement;

        var personText = System.Text.Json.JsonSerializer.Deserialize<Person>(jsonElement.GetRawText());

        Console.WriteLine($"from System.Text.Json {personText.Role}");

        var personNewton = JsonConvert.DeserializeObject<Person>(jsonElement.GetRawText());

        Console.WriteLine($"from Newtonsoft.Json {personNewton.Role}");

​

    }

}