await client.timeseries.syntheticQuery([
  {
    expression: "24 * TS{externalId='production/hour', aggregate='average', granularity='1d'}",
    start: '48h-ago',
    end: 'now',
    limit: 100
  }
]);

{
  "items": [
    {
      "datapoints": [
        {
          "timestamp": 1730204346000,
          "value": 123
        }
      ],
      "isString": false
    }
  ]
}