JSON代码：

[
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    "console": false,
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    "targetType": "msg",
    "statusVal": "",
    "statusType": "auto",
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    "folderName4PKI": "",
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    "z": "60f431051db97cc3",
    "root": "ns=2;i=7",
    "activatecustomevent": false,
    "eventtype": "i=2041",
    "customeventtype": "",
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  },
  {
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    "name": "Subscribe Events (250ms)",
    "props": [
      {
        "p": "payload",
        "v": "250",
        "vt": "num"
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        "v": "",
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    ],
    "repeat": "",
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    "name": "",
    "active": true,
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    "complete": "false",
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  },
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    "id": "11b30185331fbb23",
    "type": "OpcUa-Client",
    "z": "60f431051db97cc3",
    "endpoint": "0be9dfccb357d958",
    "action": "events",
    "deadbandvalue": "",
    "time": "10",
    "timeUnit": "s",
    "localfile": "",
    "localkeyfile": "",
    "folderName4PKI": "",
    "name": "Events",
    "x": 730,
    "y": 1020,
    "wires": [
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      ]
    ]
  },
  {
    "id": "0be9dfccb357d958",
    "type": "OpcUa-Endpoint",
    "endpoint": "opc.tcp://101.43.49.73:4840",
    "secpol": "None",
    "secmode": "None",
    "none": true,
    "login": false,
    "usercert": false,
    "usercertificate": "",
    "userprivatekey": ""
  }
]