rowid,event_id,room_id,type,state_key,membership,event_stream_ordering
1409,$7h1GaR0Nb41PO9B2Pu-oHpnuREtTjw_HkQR3RGMDhqU,!HPNcDxTDpUhwcvGFdW:matrix.jamesst.one,m.room.member,@slack_t0qh48pl4-u0qk730nn:matrix.jamesst.one,join,1535