curl --request GET \
  --url https://api.opper.ai/v3/files/{id} \
  --header 'Authorization: Bearer <token>'

{
  "bytes": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "expires_at": "2023-11-07T05:31:56Z",
  "filename": "<string>",
  "id": "<string>",
  "mime_type": "<string>",
  "object": "file",
  "purpose": "<string>",
  "status": "<string>"
}