{
  "result": [
    {
      "label": "system.cpu.idle",
      "key": "system.cpu.idle"
    },
    {
      "label": "system.cpu.user",
      "key": "system.cpu.user"
    },
    {
      "label": "system.disk.free",
      "key": "system.disk.free"
    },
    {
      "label": "system.load.1",
      "key": "system.load.1"
    }
  ]
}