rowid,room_id,user_id,event_id,membership,event_stream_ordering
454,!qgdrlnxfxQUvpxZdQB:matrix.jamesst.one,@slack_t0qh48pl4-u01mt9hl6nb:matrix.jamesst.one,$jz_xbfYgCtUAupDKl-i--6ULvSnb1Ju4QRLT88-86CE,join,1591