curl --request PATCH \
  --url https://api.fungies.io/v0/subscriptions/{subscriptionIdOrNumber}/update \
  --header 'Content-Type: application/json' \
  --header 'x-fngs-public-key: <api-key>' \
  --header 'x-fngs-secret-key: <api-key>' \
  --data '
{
  "items": [
    {
      "name": "<string>",
      "unitPrice": 123,
      "currency": "AFN",
      "quantity": 1,
      "offerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "price": 8.988465674311579e+307,
      "value": 8.988465674311579e+307
    }
  ],
  "prorationBehavior": "none"
}
'

{
  "status": "<string>",
  "data": {
    "success": true
  }
}