rowid,room_id,user_id,event_id,membership,event_stream_ordering
407,!kKtScliyhdpXGYJoyR:matrix.jamesst.one,@slack_t0qh48pl4-uk3qk3wbh:matrix.jamesst.one,$aLSwg2nPgSwTxWqa7kbfDf1EagoG-vUlxK8jh6zRS9U,join,1531