<xml>
    <out_user_coupon_id>real_out_user_coupon_id</out_user_coupon_id>
    <request_id>real_request_id</request_id>
    <ret_code>0</ret_code>
    <ret_msg>ok</ret_msg>
    <out_coupon_id>real_out_coupon_id</out_coupon_id>
</xml>
