Three) "nextId" and "fromId" are for recurring query objective and also the ID by itself does not have any enterprise implication.?? If not filled, or crammed with 0, it implicates to subscribe trade party only. If full of 1, it implicates to subscribe the two trade and cancellation events. partial-crammed: https://huobiglobal07269.mybuzzblog.com/19632989/what-does-huobi-global-mean