curl --request GET \
  --url https://openplatform.gateapi.io/pay-subscription/open/institution/v1/plan/detail \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-On-Behalf-Of: <x-gatepay-on-behalf-of>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>'

{
  "code": "0",
  "message": "",
  "data": {
    "merchantPlanNo": "plan031004",
    "planNo": "63784604430893064",
    "planName": "Plan 01",
    "planDesc": "Plan Description 01",
    "merchantId": "10002",
    "productNo": "2",
    "productName": "Tencent",
    "priceNo": "3",
    "priceName": "Weekly",
    "cryptoCurrency": "USDT",
    "cryptoAmount": "5",
    "fiatCurrency": null,
    "fiatAmount": "0",
    "period": "WEEK",
    "interval": 1,
    "trialDays": 97,
    "totalPayCount": 65,
    "endTime": null,
    "planStatus": "on",
    "authorizedAmount": "331.95",
    "promoAmount": "0",
    "promoRate": "0.1",
    "createTime": 1773099791000,
    "updateTime": 1773099791000
  },
  "success": true
}