Get Index Price

{
    "code": "200000",
    "data": {
        "items": [
            {
                "symbol": ".KXBTUSDT",
                "granularity": 1000,
                "ts": 1765374293000,
                "indexPrice": 92034.7,
                "decompositionList": [
                    {
                        "exchange": "gateio",
                        "price": 92039.8,
                        "weight": 0.1498
                    },
                    {
                        "exchange": "bitmart",
                        "price": 92021.16,
                        "weight": 0.0968
                    },
                    {
                        "exchange": "okex",
                        "price": 92042.2,
                        "weight": 0.1193
                    },
                    {
                        "exchange": "bybit",
                        "price": 92033.3,
                        "weight": 0.1936
                    },
                    {
                        "exchange": "binance",
                        "price": 92034.97,
                        "weight": 0.2844
                    },
                    {
                        "exchange": "kucoin",
                        "price": 92033.7,
                        "weight": 0.1561
                    }
                ]
            },
            {
                "symbol": ".KXBTUSDT",
                "granularity": 1000,
                "ts": 1765374292000,
                "indexPrice": 92034.71,
                "decompositionList": [
                    {
                        "exchange": "gateio",
                        "price": 92039.8,
                        "weight": 0.1498
                    },
                    {
                        "exchange": "bitmart",
                        "price": 92021.16,
                        "weight": 0.0968
                    },
                    {
                        "exchange": "okex",
                        "price": 92042.3,
                        "weight": 0.1193
                    },
                    {
                        "exchange": "bybit",
                        "price": 92033.3,
                        "weight": 0.1936
                    },
                    {
                        "exchange": "binance",
                        "price": 92034.96,
                        "weight": 0.2844
                    },
                    {
                        "exchange": "kucoin",
                        "price": 92033.7,
                        "weight": 0.1561
                    }
                ]
            }
        ],
        "lastId": 1765374292000
    }
}