{
    "items": [{
        "type": ["h-card"],
        "properties": {
            "name": ["John Doe"],
            "email": [
                "mailto:john@example.com", 
                "mailto:john@example.com",
                "mailto:john@example.com?subject=parser-test",
                "john@example.com"
            ]
        }
    }]
}