rowid,room_id,user_id,event_id,membership,event_stream_ordering
644,!qvoVrGJcqwQNByFOEN:matrix.jamesst.one,@slack_t0qh48pl4-u3pdpf07p:matrix.jamesst.one,$e18rQhBNzH8U7NTmvDyB0GgEfasvquFmX41apjbGJZw,join,1798