rowid,room_id,user_id,event_id,membership,event_stream_ordering
418,!aamIUwRMpqoTVlOgYQ:matrix.jamesst.one,@slack_t0qh48pl4-u0qp3lk0f:matrix.jamesst.one,$SNwbiKQVXyahdIiG-KFOcyELI2ouBEgzorLag86qzU8,join,1542