Envelope_StatisticsSearchPayload_(Envelope[StatisticsSearchPayload])

{
    "data": {
        "results": [
            {
                "indicator": "median-household-income",
                "name": "Median household income",
                "unit": "string",
                "period": "annual",
                "place_types": [
                    "string"
                ],
                "first": "string",
                "last": "string",
                "sources": [
                    {
                        "id": "census-bureau",
                        "name": "U.S. Census Bureau"
                    }
                ],
                "score": 0.97
            }
        ]
    },
    "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",
        "data_age_days": 0,
        "source": "string",
        "attribution": "string",
        "fallback_used": true,
        "fallback_chain": [
            "string"
        ],
        "cached": true,
        "stale": true,
        "stale_since": "string",
        "period": "string",
        "notes": "string"
    }
}