curl --request GET \
  --url https://api-eu.flexportal.io/v1/files/{fileId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Tenant-ID: <tenant-id>'

{
  "fileId": "<string>",
  "tenantId": "<string>",
  "orderId": "<string>",
  "type": "<string>",
  "category": "generated",
  "filename": "<string>",
  "contentType": "<string>",
  "fileSize": 123,
  "storagePath": "<string>",
  "uploadedBy": "<string>",
  "createdAt": "<string>",
  "updatedAt": "<string>",
  "originalFilename": "<string>",
  "metadata": {}
}