rowid,room_id,user_id,event_id,membership,event_stream_ordering
149,!nJVpZYntXuvRnsxkfR:matrix.jamesst.one,@slackbot:matrix.jamesst.one,$CfXuQEHnQgm4il1JOU__B1jbQF7yKJkxC9zmP03hyQ0,join,501