curl --request GET \
  --url https://provider.api.nadles.com/v0/customers/{customerId}/subscriptions/ \
  --header 'nadles-provider-key: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "vendor_id": "<string>",
      "product_id": "<string>",
      "customer_id": "<string>",
      "order_id": "<string>",
      "state": "<string>",
      "psp_name": "<string>",
      "billing_version": 123,
      "is_cancelation_scheduled": true,
      "items": [
        {}
      ],
      "activated_at": "2023-11-07T05:31:56Z",
      "expired_at": "2023-11-07T05:31:56Z",
      "cancellation_scheduled_at": "2023-11-07T05:31:56Z",
      "canceled_at": "2023-11-07T05:31:56Z",
      "past_due_at": "2023-11-07T05:31:56Z"
    }
  ],
  "metadata": {
    "pagination": {
      "limit": 123,
      "offset": 123,
      "total": 123
    }
  }
}