using System;

using Newtonsoft.Json;

public class S1 

{

    public bool x1 {get;set;}

    public string x2 {get;set;}

    public string x3 {get;set;}

}

​

public class S2

{

    public string x1 {get;set;}

    public bool x2 {get;set;}

    public bool x3 {get;set;}

}

​

public class Program

{

    public static void Main()

    {

        var test = new S1 {

            x1 = true,

            x2 = "true",

            x3 = "True"

        };

        var testStr = JsonConvert.SerializeObject(test);

        var s2 = JsonConvert.DeserializeObject<S2>(testStr);

        var wat = JsonConvert.DeserializeObject(testStr);

        Console.WriteLine(s2.x1 + " " + s2.x2 + " " + s2.x3);

        Console.WriteLine(wat.GetType());

    }

}