Mark Price Candle

{
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  "params": {
    "source": "mark_price_candle",
    "symbol": "BTC",
    "interval": "1m"
  }
}

{
  "channel": "mark_price_candle",
  "data": {
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    "T": 1748954220000,
    "s": "BTC",
    "i": "1m",
    "o": "105376.500000",
    "c": "105380.250000",
    "h": "105385.750000",
    "l": "105372.000000",
    "v": "0",
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}