reto-frontend-puro/examples/first-herarchy-attr.json

[
    {
        "cioc": "ARG",
        "flag": "https://restcountries.eu/data/arg.svg",
        "numericCode": "032",
        "nativeName": "Argentina",
        "gini": 44.5,
        "area": 2780400.0,
        "demonym": "Argentinean",
        "population": 43590400,
        "subregion": "South America",
        "region": "Americas",
        "capital": "Buenos Aires",
        "alpha3Code": "ARG",
        "alpha2Code": "AR",
    }
]