rowid,event_id,room_id,type,state_key,membership,event_stream_ordering
1272,$hgfy7ws2frHzxbLWqDL5DroPEKrMPm_Gc05UPxEkejk,!RhMgvAPjLANRigRiwG:matrix.jamesst.one,m.room.member,@slack_t0qh48pl4-u0qh48pn0:matrix.jamesst.one,join,1397