{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "MetricDataPoint",
  "type": "object",
  "description": "A single metric data point.",
  "properties": {
    "metricColumn": {
      "type": "string",
      "description": "Name of the metric column."
    },
    "value": {
      "type": "number",
      "description": "Numeric metric value."
    },
    "key": {
      "type": "string",
      "description": "Key value identifying the metric row."
    },
    "collectionTime": {
      "type": "string",
      "description": "Timestamp when the metric was collected."
    }
  }
}