{
    "node":
    {
        "initial": [
            "192.168.1.8"
        ],
        "block12345": [
            "192.168.1.3","192.168.1.4","192.168.1.5","192.168.1.6","192.168.1.7","192.168.1.9","192.168.1.10"
        ],
        "fc1": [
            "192.168.1.11", "192.168.1.13"
        ],
        "fc2": [
            "192.168.1.12"
        ]
    }
}