rowid,room_id,user_id,event_id,membership,event_stream_ordering
646,!PnXREEvNVetwkGeBIs:matrix.jamesst.one,@slack_t0qh48pl4-u3p7e6ucb:matrix.jamesst.one,$Bu3MJMcLgnEa6nlfWzyqcxEz3_4SF7wC5mVg9JG5C1E,join,1800