{
    "event_type": "EVENT_TYPE_BUSICOUPON_SEND",
    "coupon_code": "1227944959000000911017",
    "stock_id": "1286950000000039",
    "send_time": "2019-12-17T10:35:53+08:00",
    "openid": "odXnH1CJjeQoWTld48db-pnxs-Wg",
    "unionid": "oOuyajgxj0oVwjocSoQm6mp7PGKw",
    "send_channel": "BUSICOUPON_SEND_CHANNEL_PAYGIFT",
    "send_merchant": "98568888",
    "attach_info": {
        "transaction_id": "4200000462220200226114599",
        "act_code": "540358695"
    }
}