{
  "heartbeatList": {
    "1": [
      {
        "status": 1,
        "time": "2024-01-15 10:00:00",
        "msg": "200 - OK",
        "ping": 45,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:01:00", 
        "msg": "200 - OK",
        "ping": 52,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:02:00",
        "msg": "200 - OK", 
        "ping": 38,
        "important": false,
        "duration": 0
      }
    ],
    "2": [
      {
        "status": 1,
        "time": "2024-01-15 10:00:00",
        "msg": "200 - OK",
        "ping": 67,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:01:00",
        "msg": "200 - OK", 
        "ping": 71,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:02:00",
        "msg": "200 - OK",
        "ping": 63,
        "important": false,
        "duration": 0
      }
    ],
    "3": [
      {
        "status": 1,
        "time": "2024-01-15 10:00:00",
        "msg": "Connected successfully",
        "ping": 12,
        "important": false,
        "duration": 0
      },
      {
        "status": 0,
        "time": "2024-01-15 10:02:00",
        "msg": "Connection timeout",
        "ping": null,
        "important": true,
        "duration": 5000
      },
      {
        "status": 1,
        "time": "2024-01-15 10:04:00",
        "msg": "Connected successfully", 
        "ping": 15,
        "important": false,
        "duration": 0
      }
    ],
    "4": [
      {
        "status": 1,
        "time": "2024-01-15 10:00:00",
        "msg": "PONG received",
        "ping": 3,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:01:00",
        "msg": "PONG received",
        "ping": 2,
        "important": false,
        "duration": 0
      },
      {
        "status": 1,
        "time": "2024-01-15 10:02:00",
        "msg": "PONG received",
        "ping": 4,
        "important": false,
        "duration": 0
      }
    ]
  },
  "uptimeList": {
    "1": 1.0,
    "2": 1.0,
    "3": 0.95,
    "4": 1.0
  }
}