public class MyController : Controller
{
    public override ControllerResponse Invoke()
    {
        ...
        return new Json(myObj);
    }
}

public void Configuration(IApplicationBuilder app)
{
    ...
    HttpModelHandler.RegisterModelBinder<JsonModelBinder>();

    app.UseSimplifyWeb();
}

public void ConfigureServices(IServiceCollection services)
{
    ...
    DIContainer.Current.RegisterJsonModelBinder();
    ...
}

public class MyController : ControllerAsync<MyModel>
{
    public override async Task<ControllerResponse> Invoke()
    {
        await ReadModelAsync();

        Model.
    }
}

public class MyController : Controller<MyModel>
{
    public override ControllerResponse Invoke()
    {
        Model.
    }
}