curl --request GET \
  --url https://api.messari.io/metrics/v1/markets/{entityIdentifier}/metrics/{datasetSlug}/time-series \
  --header 'X-Messari-API-Key: <api-key>'

{
  "error": null,
  "data": {
    "points": [
      [
        1748736000,
        1674014684.4481711
      ],
      [
        1748822400,
        2131215625.3342063
      ],
      [
        1748908800,
        2365233260.212919
      ],
      [
        1748995200,
        2741424611.580782
      ],
      [
        1749081600,
        2688205439.7842703
      ]
    ]
  },
  "metadata": {
    "pointSchemas": [
      {
        "name": "Timestamp",
        "slug": "time",
        "description": "Timestamp of the data point.",
        "is_timestamp": true
      },
      {
        "name": "Volume (USD)",
        "slug": "volume",
        "description": "Volume traded during candle in USD.",
        "is_timestamp": false
      }
    ],
    "granularity": "1d"
  }
}