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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def subscribe(self, devices_to_bind=[]):
 """ This function allows an entity to subscribe for data from the devices specified in the bind operation. It creates a thread with an event loop to manager the tasks created in start_subscribe_worker. Args: devices_to_bind (list):
 an array of devices to listen to """

        if self.entity_api_key == "":
            return {'status': 'failure', 'response': 'No API key found in request'}
        self.bind(devices_to_bind)
        loop = asyncio.new_event_loop()
        t1 = threading.Thread(target=self.start_subscribe_worker, args=(loop,))
        t1.daemon = True
        t1.start()