[
  {
    "timestamp": "2024-03-10T09:00:00Z",
    "source": "monitoring",
    "message": "High CPU utilization detected on web servers",
    "severity": "medium",
    "actor": "system"
  },
  {
    "timestamp": "2024-03-10T09:05:00Z",
    "source": "slack",
    "message": "Engineer investigating high CPU alerts",
    "severity": "medium", 
    "actor": "john.doe"
  },
  {
    "timestamp": "2024-03-10T09:15:00Z",
    "source": "deployment",
    "message": "Deployed hotfix to reduce CPU usage",
    "severity": "low",
    "actor": "john.doe"
  },
  {
    "timestamp": "2024-03-10T09:25:00Z",
    "source": "monitoring",
    "message": "CPU utilization returned to normal levels",
    "severity": "low",
    "actor": "system"
  }
]