MaterialReviewMetadata

{
    "content": [
        {
            "type": "image_url",
            "image_url": {
                "url": "https://example.com/person.jpg"
            },
            "audio_url": {
                "url": "https://example.com/person.jpg"
            },
            "video_url": {
                "url": "https://example.com/person.jpg"
            }
        }
    ]
}