Item-List-Schema-JSON-LD

<script type="application/ld+json">
{
    "@type": "ItemList",
    "@context": "http://schema.org",
    "numberOfItems": 3,
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@type": "Product",
                "name": "",
                "url": "",
                "image": "",
                "description": ""
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "@type": "Product",
                "name": "",
                "url": "",
                "image": "",
                "description": ""
            }
        },
        {
            "@type": "ListItem",
            "position": 3,
            "item": {
                "@type": "Product",
                "name": "",
                "url": "",
                "image": "",
                "description": ""
            }
        }
    ]
}
</script>

Minify JSON: https://www.cleancss.com/json-minify/