main/index.json

{
    "type": "index",
    "subCategories": [
        {
            "id": "gastro",
            "name:en": "Gastronomy"
        },
        {
            "id": "trees",
            "name:en": "Trees"
        },
        {
            "id": "parks",
            "name:en": "Parks"
        }
    ]
}