Node-RED Check TV Alive JSON

[
    {
        "id": "1ef8de36.f1bc72",
        "type": "tab",
        "label": "Check TV alive",
        "disabled": false,
        "info": ""
    },
    {
        "id": "f8644458.8171c8",
        "type": "inject",
        "z": "1ef8de36.f1bc72",
        "name": "Check iedere 30s",
        "props": [
            {
                "p": "payload"
            }
        ],
        "repeat": "30",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "true",
        "payloadType": "bool",
        "x": 170,
        "y": 240,
        "wires": [
            [
                "9cf9a7eb.6d2518"
            ]
        ]
    },
    {
        "id": "92a8058f.d479f8",
        "type": "mqtt out",
        "z": "1ef8de36.f1bc72",
        "name": "TV online",
        "topic": "domoticz/in",
        "qos": "",
        "retain": "",
        "broker": "8747e656.336818",
        "x": 880,
        "y": 240,
        "wires": []
    },
    {
        "id": "9cf9a7eb.6d2518",
        "type": "samsung-tv-isaliveping",
        "z": "1ef8de36.f1bc72",
        "device": "a09ecf38.1ce4e",
        "name": "",
        "x": 420,
        "y": 240,
        "wires": [
            [
                "b89f18af.761f88"
            ],
            [
                "178bde17.b324f2"
            ]
        ]
    },
    {
        "id": "b89f18af.761f88",
        "type": "function",
        "z": "1ef8de36.f1bc72",
        "name": "Domoticz: TV is aan",
        "func": "msg.payload = {\"command\":\"udevice\",\"idx\":597,\"nvalue\":1,\"svalue\":\"On\"};\nreturn msg",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 680,
        "y": 240,
        "wires": [
            [
                "92a8058f.d479f8"
            ]
        ]
    },
    {
        "id": "178bde17.b324f2",
        "type": "function",
        "z": "1ef8de36.f1bc72",
        "name": "Domoticz: TV is uit",
        "func": "msg.payload = {\"command\":\"udevice\",\"idx\":597,\"nvalue\":0,\"svalue\":\"Off\"};\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 670,
        "y": 280,
        "wires": [
            [
                "92a8058f.d479f8"
            ]
        ]
    },
    {
        "id": "f80a66c3.511498",
        "type": "link out",
        "z": "1ef8de36.f1bc72",
        "name": "",
        "links": [],
        "x": 465,
        "y": 460,
        "wires": []
    },
    {
        "id": "8747e656.336818",
        "type": "mqtt-broker",
        "name": "Domoticz",
        "broker": "192.168.1.234",
        "port": "1883",
        "clientid": "",
        "usetls": false,
        "compatmode": false,
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "closeTopic": "",
        "closeQos": "0",
        "closePayload": "",
        "willTopic": "",
        "willQos": "0",
        "willPayload": ""
    },
    {
        "id": "a09ecf38.1ce4e",
        "type": "samsung-tv",
        "name": "TV",
        "model": "8002",
        "ip": "192.168.1.123",
        "mac": "1A:B2:3C:D4:5E:F6",
        "token": "12345678"
    }
]