Envelope_FamaFrenchFactorsData_(Envelope[FamaFrenchFactorsData])

{
    "data": {
        "dataset": "string",
        "description": "string",
        "model": "string",
        "frequency": "string",
        "count": 0,
        "records": [
            {
                "date": "string",
                "Mkt-RF": 0,
                "SMB": 0,
                "HML": 0,
                "RF": 0
            }
        ]
    },
    "meta": {
        "endpoint": "/api/v1/fred/us/cpi",
        "data_time": "2026-04-16T14:30:00Z",
        "response_time": "2026-04-16T14:30:12Z",
        "provider": "Sugra API v1.0.1",
        "source": "string",
        "fallback_used": true,
        "fallback_chain": [
            "string"
        ],
        "cached": true
    }
}