curl --request POST \
  --url https://api.example.com/v1/attachments/files/ \
  --header 'Content-Type: multipart/form-data' \
  --form 'content_type=<string>' \
  --form object_id=4611686018427388000 \
  --form 'file=<string>' \
  --form 'type=<string>'

{
  "id": 123,
  "extension": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "created_by": 123,
  "content_type": "<string>",
  "object_id": 4611686018427388000,
  "file": "<string>",
  "type": "<string>"
}