[
    {
        "id": "a8c95f6b.267d1",
        "type": "publish",
        "z": "edf4845f.583398",
        "name": "publish <topic>",
        "hub": "8a19145c.3e46e8",
        "topics": [
            {
                "value": "atest/s1",
                "type": "text"
            },
            {
                "value": "topic",
                "type": "msg"
            }
        ],
        "x": 380,
        "y": 200,
        "wires": [
            [
                "2dc456a7.86e91a"
            ]
        ]
    },
    {
        "id": "8a19145c.3e46e8",
        "type": "pubsubhub",
        "z": "",
        "name": "test"
    }
]