{
    "input": "{\"name\":\"Alice\",\"age\":30}|COMPARE|{\"name\":\"Alice\",\"age\":31,\"city\":\"NYC\"}",
    "output": {
        "added": {
            "city": "NYC"
        },
        "changed": {
            "age": {
                "new": 31,
                "old": 30
            }
        },
        "removed": {},
        "unchanged": {
            "name": "Alice"
        }
    }
}