rowid,room_id,user_id,event_id,membership,event_stream_ordering
758,!aamIUwRMpqoTVlOgYQ:matrix.jamesst.one,@slack_t0qh48pl4-u0qh48pn0:matrix.jamesst.one,$QcyX2DAfFv_KN5qS9nPGhGhCc_gZcsJ7ymu4_58E2wQ,join,1912