curl --request GET \
  --url http://dolfin-service-973993966394.europe-west2.run.app/invoices/{id}

{
  "currency": "<string>",
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "organisationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "documentNumber": "<string>",
  "issueDate": "2023-11-07T05:31:56Z",
  "dueDate": "2023-11-07T05:31:56Z",
  "status": "Draft",
  "subTotal": 123,
  "taxAmount": 123,
  "totalAmount": 123,
  "memo": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "lineItems": [
    {
      "description": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "quantity": 123,
      "unitPrice": 123,
      "taxAmount": 123,
      "subTotal": 123
    }
  ]
}