rowid,room_id,user_id,event_id,membership,event_stream_ordering
287,!aamIUwRMpqoTVlOgYQ:matrix.jamesst.one,@slack_t0qh48pl4-u0qnzutjn:matrix.jamesst.one,$0n2YFhVOh_wyG6J4wMl0qc2RN8YgoiYzJSJsrVNTgtM,join,1410