rowid,room_id,user_id,event_id,membership,event_stream_ordering
234,!IDVzmHGTigaDkLInhb:matrix.jamesst.one,@slack_t0qh48pl4-u3p7e6ucb:matrix.jamesst.one,$n_sSpb5aUXRujfNGk2R0G1WMtSijqy9_9zbx0eGwf38,join,1351