{
    "apis": [],
    "fields": [
        {
            "name": "brands",
            "type": "list<string>"
        },
        {
            "name": "product_categories",
            "type": "list<string>"
        },
        {
            "name": "product_names",
            "type": "list<string>"
        },
        {
            "name": "search_terms",
            "type": "list<string>"
        }
    ]
}