def IsMarathonEvent(event_type, **kwargs):
matching_dict = {<EOL>'<STR_LIT>': Equals(event_type),<EOL>'<STR_LIT>': After(_parse_marathon_event_timestamp,<EOL>matches_time_or_just_before(datetime.utcnow()))<EOL>}<EOL>matching_dict.update(kwargs)<EOL>return MatchesDict(matching_dict)<EOL>
Match a dict (deserialized from JSON) as a Marathon event. Matches the
event type and checks for a recent timestamp.

:param event_type: The event type ('eventType' field value)
:param kwargs: Any other matchers to apply to the dict