rowid,event_id,room_id,type,state_key,membership,event_stream_ordering
1668,$oKQtqQSlUZp6Bu7XCcNwOrj0tJ3tQKNwRvxAW9p9GeE,!CCUfAhwGFDisuRJodI:matrix.jamesst.one,m.room.member,@slack_t0qh48pl4-uk3qfnct1:matrix.jamesst.one,join,1794