Optionalhas_This is to indicate whether the item list is more than one page. If this value is true, you may want to continue to check next page to retrieve the rest of items.
Optionalitemlist of item info with item_id/ item_status/ update_time
Optionalnext_if has_next_page is true, this value need set to next request.offset
Optionaltotal_total count of all items
GetItemListResponseData sub-interface for GetItemListResponse