rowid,room_id,user_id,event_id,membership,event_stream_ordering
747,!FpRlcAsEEExygBcroU:matrix.jamesst.one,@slack_t0qh48pl4-u5e0cm2p6:matrix.jamesst.one,$57IsYuMWCqbo876rs2wlarq4LUqGd_G1Hs7zrG7L8K0,join,1901