老的在售列表接口即将废弃，qps 将会调低，请尽快迁移到新的在售列表接口（内测中），新接口提供 5/s 的 qps

Map«ItemPriceInfoVO»

java.util.Map<java.lang.Long,com.xingchao.steam.trade.api.vo.item.ItemPriceInfoVO>

{
    "0": {
        "itemId": 0,
        "price": 0,
        "count": 0,
        "temporaryRental": 0,
        "permanentRental": 0,
        "rentCount": 0,
        "purchaseCount": 0,
        "purchaseMaxPrice": 0
    }
}