Perp Funding Rates (Binance data)

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                "mark_price": "64266.30000000",
                "last_funding_rate": "0.00009163",
                "next_funding_time": 1783699200000
              },
              "provenance": {
                "url": "https://fapi.binance.com/fapi/v1/premiumIndex",
                "source": "SYNTHORA Perp Funding Rates"
              }
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