GetCoupon

Event Type: get_coupon

coupon[* Object Coupon]: Coupon Information
- coupon_id[* String]: Coupon ID
- coupon_name[* String]: Coupon Name
- coupon_count[* Integer]: Coupon Count
- begin_time[* Long]: Begin Time, timestamp (milliseconds), UTC, Jan 1, 1970
- expire_time[* Long]: Expire Time, timestamp (milliseconds), UTC, Jan 1, 1970
- coupon_type[String]: Coupon Type, enumeration
  - fixed_discount
  - discount
  - threshold
  - other
- coupon_rate[Double]: Coupon Discount Rate, Range: 0 - 1.00, example: 90% off: 0.9
- coupon_threshold[String]: Coupon Threshold
- cash_back_amount[Object Amount]: Cash_back Amount
  - currency[* String]: Local Currency Type, 3-letter code according to ISO 4217
  - amount_local[* Double]: Amount ( Local Currency )
  - amount_usd[Double]: Amount ( USD ), The USD amount is converted from the original amount by the exchange rate, (required when not access to China Server)
  - amount_cny[Double]: Amount ( CNY ), The CNY amount is converted from the original amount by the exchange rate, (required when accessing a China Server)

{
    "coupon": {
        "coupon_id": "NOHF08938",
        "coupon_name": "Limited Time Discount Coupon",
        "coupon_count": 1,
        "begin_time": 1596358039000,
        "expire_time": 1616358039000,
        "coupon_type": "discount",
        "coupon_rate": 0.85,
        "coupon_threshold": "10",
        "cash_back_amount": {
            "currency": "USD",
            "amount_local": 68,
            "amount_usd": 10,
            "amount_cny": 6.8
        }
    }
}