/**
  * Handle the command
  *
  * @param BaseCommand|RegisterUserCommand $command
  *
  * @return mixed
  */
 public function handle(BaseCommand $command)
 {
     $user = new User($command->all());
     $user->save();
     App::make('Altwallets\\Services\\UserMailer')->sendRegistrationEmail($user);
     return $user;
 }