def _update_object(object_key: str, event: Event):
    """Update the events list and events data for the object.

    - Adds the event Id to the list of events for the object.
    - Adds the event data to the hash of object event data keyed by event
      id.

    Args:
        object_key (str): Key of the object being updated.
        event (Event): Event object


    """
    events_list_key = _keys.events_list(object_key)
    events_data_key = _keys.events_data(object_key)
    event_dict = deepcopy(event.config)
    event_dict.pop('id')
    DB.append_to_list(events_list_key, event.id, pipeline=True)
    DB.set_hash_value(events_data_key, event.id, json.dumps(event_dict),
                      pipeline=True)