Read Memory data

Example response

{
  "data": {
    "total_bytes": 1351533568,
    "available_bytes": 351533568,
    "used_bytes": 1000000000,
    "usage_percent": 0.2601
  },
  "errors": [
    {
      "metric": "cpu.temperature",
      "error": "unable to get cpu temperature"
    }
  ]
}