rowid,room_id,user_id,event_id,membership,event_stream_ordering
1639,!OlSwvTNJcEzZEFAKwK:matrix.jamesst.one,@meta_1421375377:matrix.jamesst.one,$oRn4gTvKaqZj1z56c1yXDroVYyXJYQkG8-f5kv9RXwE,join,15263