{
    "a": "a1",
    "b": {
        "value": 1,
        "next": {
            "LongList": {
                "value": 2,
                "next": {
                    "LongList": {
                        "value": 3,
                        "next": null
                    }
                }
            }
        }
    },
    "c": "c1"
}
{
    "a": "a2",
    "b": {
        "value": 4,
        "next": {
            "fixed_2": "ab"
        }
    },
    "c": "c2"
}