{
    "coverage": {
        "ISO 3166": {
            "alpha2": "IT-52",
            "country": "Italy",
            "subdivision": "Toscana"
        },
        "country": "it",
        "state": "52"
    },
    "data": "http://www502.regione.toscana.it/geoscopio/download/grafo_stradale/iternet.zip",
    "website": "http://dati.toscana.it/dataset/grafo-civici/resource/07ebfc93-ff38-404a-8f2f-1f3dffe0b280",
    "license": {
        "url": "https://creativecommons.org/licenses/by-sa/4.0/",
        "attribution": true,
        "share-alike": true
        },
    "type": "http",
    "compression": "zip",
    "language": "it",
    "conform": {
        "number": ["civico","esponente"],
        "street": "indirizzo",
        "city": "comune",
        "region": "Toscana",
        "id": "cod_civ",
        "type": "shapefile",
        "file":"shp/civici.shp",
        "accuracy": 1
    }
}
{
    "coverage": {
        "ISO 3166": {
            "alpha2": "IT-52",
            "country": "Italy",
            "subdivision": "Toscana"
        },
        "country": "it",
        "state": "52"
    },
    "data": "https://www.dropbox.com/s/qszx9y277lvteoy/toscana20160804.zip?dl=1",
    "website": "http://dati.toscana.it/dataset/grafo-civici/resource/07ebfc93-ff38-404a-8f2f-1f3dffe0b280",
    "license": {
        "url": "https://creativecommons.org/licenses/by-sa/4.0/",
        "attribution": true,
        "share-alike": true
        },
    "type": "http",
    "compression": "zip",
    "language": "it",
    "conform": {
        "number": ["civico","esponente"],
        "street": "indirizzo",
        "city": "comune",
        "region": "Toscana",
        "id": "cod_civ",
        "type": "shapefile",
        "file":"shp/civici.shp",
        "accuracy": 1
    }
}

Change Toscana to point to cached file
Change Toscana to point to cached file

Since the original file is a zipped 7zip, I just extracted the data from it, zipped the relevant bits and put it on Dropbox. The original file is at http://www502.regione.toscana.it/geoscopio/download/grafo_stradale/iternet.zip.