rowid,event_id,room_id,type,state_key,membership,event_stream_ordering
1280,$UY415DL1lqrVCBNCBmYKHxzvsSjSSUtKsHm0exjoRSM,!RppQZemJMBraLoZloF:matrix.jamesst.one,m.room.member,@slack_t0qh48pl4-u378fmg2k:matrix.jamesst.one,join,1405