Envelope_MempoolFeesBlocksData_(Envelope[MempoolFeesBlocksData])

{
    "data": {
        "count": 0,
        "blocks": [
            {
                "blockSize": 0,
                "blockVSize": 0,
                "nTx": 0,
                "totalFees": 0,
                "medianFee": 0,
                "feeRange": [
                    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
    }
}