curl --request GET \
  --url http://localhost:8080/v1/files/{file_id} \
  --header 'x-model-provider: <x-model-provider>'

{
  "id": "<string>",
  "object": "<string>",
  "bytes": 123,
  "created_at": 123,
  "filename": "<string>",
  "purpose": "<string>",
  "status": "<string>",
  "storage_backend": "<string>",
  "storage_uri": "<string>",
  "extra_fields": "<unknown>"
}