rowid,room_id,user_id,event_id,membership,event_stream_ordering
494,!MlIdLmkJzcdLJKZnjs:matrix.jamesst.one,@slack_t0qh48pl4-u0qnmqws0:matrix.jamesst.one,$5Lz72PSTYcpO9q5a0XxNu3tcIRxoWAHGz1Gm3WOXAFQ,join,1648