BpiCalcResponse

{
    "song": {
        "title": "string",
        "difficulty": "HYPER",
        "difficultyLevel": 0,
        "notes": 0
    },
    "bpi": 0,
    "rank": {
        "estimatedRank": 0,
        "bpimRank": 0,
        "bpimTotal": 0
    },
    "metadata": {
        "version": "string",
        "arenaAverages": {
            "property1": {
                "avgExScore": 0,
                "rate": 0,
                "count": 0,
                "avgBpi": 0
            },
            "property2": {
                "avgExScore": 0,
                "rate": 0,
                "count": 0,
                "avgBpi": 0
            }
        }
    }
}