{
    "node":
    {
        "initial": [
            "192.168.1.8"
        ],
        "block1": [
            "192.168.1.3"
        ],
        "block234": [
            "192.168.1.4", "192.168.1.5", "192.168.1.6"
        ],
        "block5": [
            "192.168.1.7"
        ],
        "fc1": [
            "192.168.1.9", "192.168.1.10"
        ],
        "fc2": [
            "192.168.1.11"
        ]
    }
}