curl --request GET \
  --url https://api.paygentic.io/v0/entitlements/activeEntitlements \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "<string>",
      "object": "entitlement",
      "customerId": "<string>",
      "productId": "<string>",
      "subscriptionId": "<string>",
      "planId": "<string>",
      "billableMetrics": [
        "<string>"
      ],
      "verifiedAt": "2023-11-07T05:31:56Z"
    }
  ],
  "pagination": {
    "offset": 123,
    "limit": 123,
    "total": 123
  }
}