rowid,room_id,user_id,event_id,membership,event_stream_ordering
734,!PnXREEvNVetwkGeBIs:matrix.jamesst.one,@slack_t0qh48pl4-ukp54fz0u:matrix.jamesst.one,$v2xUEYBpT0ip3DxVc8OhvN5ZjOKw0FFuXbUnQj0IzcM,join,1888