{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ZoneStatistic",
  "type": "object",
  "properties": {
    "zoneName": {
      "type": "string",
      "description": "Zone name"
    },
    "zoneId": {
      "type": "integer",
      "description": "Numeric zone ID"
    },
    "metric": {
      "type": "string",
      "description": "Metric name"
    },
    "value": {
      "type": "number",
      "description": "Current metric value"
    },
    "unit": {
      "type": "string",
      "description": "Unit of measurement"
    },
    "timestamp": {
      "type": "string",
      "description": "When the value was recorded"
    }
  }
}