test/data.json

[
    {
        "name": "Test",
        "author": {
            "name": "Redhoodsu",
            "email": "surunzi@foxmail.com",
            "contact": [
                {
                    "location": "<span>office</span>",
                    "number": 123456
                },
                {
                    "location": "A very very long long address!!!!!!!!!!!!",
                    "number": 654321
                },
                null
            ]
        }
    }
]