rowid,room_id,user_id,event_id,membership,event_stream_ordering
819,!qvoVrGJcqwQNByFOEN:matrix.jamesst.one,@slack_t0qh48pl4-u072zlzmnmc:matrix.jamesst.one,$y8wRZJH-zSfeY-hD45qAzEMXEYKblG9rVC43MBj893o,join,1973