rowid,room_id,user_id,event_id,membership,event_stream_ordering
1883,!MLMQxHdeOdVtGdjbec:matrix.jamesst.one,@james:matrix.jamesst.one,$O7LMLPKDwuMGji-UdtzVuSWT3kvTcZUJrJvy9eUj9Wk,join,15830