{
  "AWS/VPN": {
    "dimensions": [
      {
        "key": "TunnelIpAddress"
      }
    ],
    "metrics": [
      {
        "id": 1,
        "metric_name": "TunnelState"
      },
      {
        "id": 2,
        "metric_name": "TunnelDataIn"
      },
       {
        "id": 3,
        "metric_name": "TunnelDataOut"
      }
    ]
  }
}