wikimedia/pywikibot

{
    "id": "Q60",
    "type": "item",
    "lastrevid": 122836617,
    "pageid": 186,
    "aliases": {
        "en": [
            {
                "language": "en",
                "value": "foo bar"
            }
        ]
    },
    "labels": {
        "en": {
            "language": "en",
            "value": "Foobar"
        }
    },
    "descriptions": {
        "en": {
            "language": "en",
            "value": "An item with an unknown foobar datatype"
        }
    },
    "claims": {
        "P99999": [
            {
                "id": "Q60$efebe507-4e9f-4254-dc47-fake",
                "mainsnak": {
                    "snaktype": "value",
                    "property": "P99999",
                    "datatype": "foo-unknown-bar",
                    "datavalue": {
                        "value": "foobar",
                        "type": "bar-unknown-foo"
                    }
                },
                "type": "statement",
                "rank": "normal"
            }
        ]
    },
    "sitelinks": {}
}