{
    "update": [
        {
            "id": 1,
            "meta_data": [
                {
                    "key": "fifu_list_url",
                    "value": "https://storage.googleapis.com/fifu-paradise/0.jpg|https://storage.googleapis.com/fifu-paradise/1.jpg"
                },
                {
                    "key": "fifu_list_alt",
                    "value": "image a|image b"
                }
            ]
        },
        {
            "id": 2,
            "meta_data": [
                {
                    "key": "fifu_list_url",
                    "value": "https://storage.googleapis.com/fifu-paradise/0.jpg|https://storage.googleapis.com/fifu-paradise/3.jpg"
                },
                {
                    "key": "fifu_list_alt",
                    "value": "image c|image d"
                }
            ]
        }
    ]
}