良好的结构为ASP。NET MVC 4 / MVVM / Web API?

I have a .NET MVC 4 project and just started Kendo UI MVVM framework. MVC uses ViewModels to send data from the controller to the view. I manage all my client side objects via the MVVM framework and use JSON to serialize them and send them back to my controller.I have a .NET MVC 4 project and just started Ke