Create a new subscription group (selling plan group)

curl --request POST \
  --url https://subscription-admin.appstle.com/api/external/v2/subscription-groups \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <x-api-key>' \
  --data '
{
  "groupName": "Monthly Coffee Subscription",
  "subscriptionPlans": [
    {
      "frequencyName": "Delivered Monthly",
      "frequencyDescription": "Fresh coffee delivered every month",
      "frequencyCount": 1,
      "frequencyInterval": "MONTH",
      "planType": "PAY_AS_YOU_GO",
      "discountEnabled": true,
      "discountType": "PERCENTAGE",
      "discountOffer": 10,
      "afterCycle1": 0,
      "minCycles": 3
    }
  ],
  "productIds": "[{\"id\":987654321}]"
}
'

{
  "id": 123,
  "productCount": 123,
  "productVariantCount": 123,
  "subscriptionPlans": [
    {
      "frequencyCount": 123,
      "billingFrequencyCount": 123,
      "payAsYouGoPrepaidBillingFrequencyCount": 123,
      "frequencyName": "<string>",
      "frequencyDescription": "<string>",
      "discountOffer": 123,
      "discountOffer2": 123,
      "afterCycle1": 123,
      "afterCycle2": 123,
      "discountEnabled": true,
      "discountEnabled2": true,
      "discountEnabledMasked": true,
      "discountEnabled2Masked": true,
      "id": "<string>",
      "specificDayValue": 123,
      "specificMonthValue": 123,
      "specificDayEnabled": true,
      "maxCycles": 123,
      "minCycles": 123,
      "cutOff": 123,
      "prepaidFlag": "<string>",
      "idNew": "<string>",
      "freeTrialEnabled": true,
      "freeTrialCount": 123,
      "memberOnly": true,
      "nonMemberOnly": true,
      "memberInclusiveTags": "<string>",
      "memberExclusiveTags": "<string>",
      "formFieldJson": "<string>",
      "upcomingOrderEmailBuffer": 123,
      "frequencySequence": 123,
      "groupName": "<string>",
      "groupId": 123,
      "repeatingCycle": true,
      "repeatingNumberOfCycle": 123,
      "keepOriginalNextBillingDateAfterTrial": true,
      "defaultSelectedPlan": true,
      "frequencyNameTranslations": {},
      "appstleCycles": [
        {
          "afterCycle": 3,
          "discountType": "PERCENTAGE",
          "value": 10,
          "freeVariantId": 42549172011164,
          "freeProductHandle": "free-gift-product",
          "repeatingCycle": true,
          "repeatingNumberOfCycle": 6,
          "preventDuplicationFreeProduct": true
        }
      ]
    }
  ],
  "groupName": "<string>",
  "productIds": "<string>",
  "productId": "<string>",
  "variantIds": "<string>",
  "accessoryProductIds": "<string>",
  "updateProducts": {
    "productIds": [
      123
    ],
    "variantIds": [
      123
    ],
    "allProduct": true,
    "collectionId": "<string>",
    "deleteAllProduct": true,
    "productDetails": "<string>",
    "variantDetails": "<string>"
  },
  "deleteProducts": {
    "productIds": [
      123
    ],
    "variantIds": [
      123
    ],
    "allProduct": true,
    "collectionId": "<string>",
    "deleteAllProduct": true,
    "productDetails": "<string>",
    "variantDetails": "<string>"
  },
  "translations": "<string>"
}