rowid,room_id,user_id,event_id,membership,event_stream_ordering
658,!FpRlcAsEEExygBcroU:matrix.jamesst.one,@slack_t0qh48pl4-u1z24gru3:matrix.jamesst.one,$9WJkrbwZurIwMGJln_zsEUKk7LscseHWDWvrKQjuhcg,join,1812