rowid,room_id,user_id,event_id,membership,event_stream_ordering
411,!HPNcDxTDpUhwcvGFdW:matrix.jamesst.one,@slack_t0qh48pl4-u0qk730nn:matrix.jamesst.one,$7h1GaR0Nb41PO9B2Pu-oHpnuREtTjw_HkQR3RGMDhqU,join,1535