rowid,room_id,user_id,event_id,membership,event_stream_ordering
757,!RppQZemJMBraLoZloF:matrix.jamesst.one,@slack_t0qh48pl4-u0qk730nn:matrix.jamesst.one,$e_OCrTY8ahE0UHUg0pLSkkqY1s9y6bUGpLwqG1i_Rgk,join,1911