rowid,room_id,user_id,event_id,membership,event_stream_ordering
513,!PhFBDVEcLtoQxmvPSL:matrix.jamesst.one,@slack_t0qh48pl4-u0qjbsw7n:matrix.jamesst.one,$fCD2UqhB7E1x7Y4u-6IygVSysRR9fWCyUaJGW2YCkHo,join,1667