curl --request POST \
  --url https://api.pamhq.com/v1/campaigns/{id}/upload-url \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "upload_url": "<string>",
    "file_id": "<string>",
    "expires_at": "2023-11-07T05:31:56Z"
  },
  "meta": {
    "request_id": "<string>"
  }
}