商品回调通知

{
    "seller_id": 0,
    "product_id": 0,
    "product_status": 0,
    "publish_status": -1,
    "item_biz_type": 2,
    "user_name": "string",
    "item_id": 0,
    "task_type": 10,
    "task_time": 0,
    "task_result": 1,
    "err_code": "string",
    "err_msg": "string"
}