PresignUploadResponse

{
    "upload_id": "upl_9f3b1458-45a2-4a0b-8d59-2c7bb2de3f1a",
    "upload_url": "http://example.com",
    "expires_at": "2019-08-24T14:15:22.123Z",
    "required_headers": {
        "Content-Type": "image/png",
        "x-amz-checksum-sha256": "string"
    }
}