public function signupAction()
 {
     $this->view->disable();
     if ($this->request->isAjax()) {
         $data = $this->request->getPost();
         $response = new Response();
         $response->assign(array('uuid' => $this->gen_uuid()));
         if ($response->save()) {
             // $this->persistent->uuid = $response->uuid;
             echo json_encode($response->toArray());
             // echo json_encode(true);
         } else {
             echo json_encode(false);
         }
     }
 }