rowid,room_id,user_id,event_id,membership,event_stream_ordering
492,!SYcYAciaPLevjjQelT:matrix.jamesst.one,@slack_t0qh48pl4-u3hhys7c6:matrix.jamesst.one,$Wk0lz7Lo1OvfpdY7muiQJyps2kLQGCm_4KUUiB-1gZ0,join,1644