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<request> <ownerUserId>3705360393</ownerUserId> <orderItems> <orderItem> <itemId>598079064379</itemId> <subTradeId>503259367322</subTradeId> <tradeId>290865188226214687</tradeId> <itemCode>JHJL001</itemCode> <status>00</status> </orderItem> </orderItems> <userId>3705360393</userId> <tradeId>290865188226214687</tradeId> <status>00</status> </request>
<response> <flag>success</flag> <code>400</code> <message>赠品取消成功</message> </response>
<response> <flag>failure</flag> <code>200</code> <message>赠品取消失败</message> </response>