PresignedUrl

{
    "upload_url": "https://s3.ap-southeast-1.amazonaws.com/bucket/attendances/2025/11/photo.jpg?X-Amz-Signature=...",
    "file_url": "https://cdn.peoplesync.example/attendances/2025/11/photo.jpg",
    "fields": null,
    "expires_in": 300
}