new_contents: // This is a simple *viewmodel* - JavaScript that defines the data and behavior of your UI
  function ManterUsuarioViewModel() 
  {
  	var self = this;
      self.lblTitulo = ko.observable("TESTE");
      self.Perfis = ko.observableArray([]);
  
  	//var PayinyVM = {};
  
  	//alert(self.Perfis);
      $.getJSON('http://localhost/kadastroNet/KadastroServiceHost.svc/ListarPerfisDeAcesso', function (data) {
      	alert('r');
          var tmp = JSON.stringify(data.d);
  
          self.Perfis = ko.mapping.fromJSON(tmp);
          //ko.applyBindings(PayinyVM);
      }); //getJSON
  }
  
  // Activates knockout.js
  ko.applyBindings(new ManterUsuarioViewModel());
subject: Add View para formulario de cadastro