curl --request GET \
  --url https://perp-api.phoenix.trade/candles

[
  {
    "close": 123,
    "high": 123,
    "low": 123,
    "open": 123,
    "time": 123,
    "externalSource": "<string>",
    "markClose": 123,
    "markHigh": 123,
    "markLow": 123,
    "markOpen": 123,
    "tradeCount": 1,
    "volume": 123,
    "volumeQuote": 123
  }
]