"schema-version": 1,
        "template": {
            "category-layout": "grid",
            "card-layout": "horizontal",
            "card-size": "medium"
        },
        "components": {
            "title": "title",
            "art" : {
                "field": "art"
            },
            "subtitle": "subtitle",
            "attributes": {
                "field": "attributes",
                "max-count": 2
            }
        }
    }
    {
        "schema-version":1,
        "template":
        {
            "category-layout":"grid"
        },
        "components":
        {
            "title":"title",
            "art":"art"
        }
    }
    
        {
            "schema-version":1,
            "template":
            {
                "category-layout":"grid"
            },
            "components":
            {
                "title":"title",
                "subtitle":"subtitle",
                "art":"art"
            }
        }