def handle_event(self, event):
        """ Send the event to the subclass or simply reject
        """
        subscription_id = event.subscription_id
        if subscription_id in self._subscriptions:
            # FIXME: [1] should be a constant
            handler = self._subscriptions[subscription_id][SUBSCRIPTION_CALLBACK]
            WampSubscriptionWrapper(self,handler,event).start()
Send the event to the subclass or simply reject