[
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    "name": "http_requests_total",
    "type": "counter",
    "value": 1234.0,
    "timestamp": "2026-04-17T20:00:00Z",
    "labels": {
      "service": "api-server",
      "method": "GET",
      "status": "200"
    }
  },
  {
    "name": "http_request_duration_seconds",
    "type": "histogram",
    "value": 0.045,
    "timestamp": "2026-04-17T20:00:00Z",
    "labels": {
      "service": "api-server",
      "method": "GET"
    },
    "percentiles": {
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      "p90": 0.050,
      "p95": 0.075,
      "p99": 0.150
    }
  },
  {
    "name": "memory_usage_bytes",
    "type": "gauge",
    "value": 891289600.0,
    "timestamp": "2026-04-17T20:00:00Z",
    "labels": {
      "service": "api-server",
      "host": "localhost"
    }
  },
  {
    "name": "active_connections",
    "type": "gauge",
    "value": 42.0,
    "timestamp": "2026-04-17T20:00:00Z",
    "labels": {
      "service": "api-server",
      "protocol": "http"
    }
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]
