{
    "event": "topo2CurrentRegion",
    "payload": {
        "id": "(root)",
        "subregions": [],
        "links": [
            {
                "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
                "epA": "netconf:127.0.0.1:11002/201",
                "epB": "netconf:127.0.0.1:11003/201",
                "type": "UiDeviceLink",
                "portA": "201",
                "portB": "201",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
                        "epA": "netconf:127.0.0.1:11002/201",
                        "epB": "netconf:127.0.0.1:11003/201",
                        "type": "UiDeviceLink",
                        "portA": "201",
                        "portB": "201"
                    }
                ]
            },
            {
                "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
                "epA": "netconf:127.0.0.1:11002/202",
                "epB": "netconf:127.0.0.1:11003/202",
                "type": "UiDeviceLink",
                "portA": "202",
                "portB": "202",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
                        "epA": "netconf:127.0.0.1:11002/202",
                        "epB": "netconf:127.0.0.1:11003/202",
                        "type": "UiDeviceLink",
                        "portA": "202",
                        "portB": "202"
                    }
                ]
            },
            {
                "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
                "epA": "netconf:127.0.0.1:11002/203",
                "epB": "netconf:127.0.0.1:11003/203",
                "type": "UiDeviceLink",
                "portA": "203",
                "portB": "203",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
                        "epA": "netconf:127.0.0.1:11002/203",
                        "epB": "netconf:127.0.0.1:11003/203",
                        "type": "UiDeviceLink",
                        "portA": "203",
                        "portB": "203"
                    }
                ]
            },
            {
                "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
                "epA": "netconf:127.0.0.1:11002/204",
                "epB": "netconf:127.0.0.1:11003/204",
                "type": "UiDeviceLink",
                "portA": "204",
                "portB": "204",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
                        "epA": "netconf:127.0.0.1:11002/204",
                        "epB": "netconf:127.0.0.1:11003/204",
                        "type": "UiDeviceLink",
                        "portA": "204",
                        "portB": "204"
                    }
                ]
            },
            {
                "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
                "epA": "netconf:127.0.0.1:11002/205",
                "epB": "netconf:127.0.0.1:11003/205",
                "type": "UiDeviceLink",
                "portA": "205",
                "portB": "205",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
                        "epA": "netconf:127.0.0.1:11002/205",
                        "epB": "netconf:127.0.0.1:11003/205",
                        "type": "UiDeviceLink",
                        "portA": "205",
                        "portB": "205"
                    }
                ]
            },
            {
                "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
                "epA": "netconf:127.0.0.1:11002/206",
                "epB": "netconf:127.0.0.1:11003/206",
                "type": "UiDeviceLink",
                "portA": "206",
                "portB": "206",
                "rollup": [
                    {
                        "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
                        "epA": "netconf:127.0.0.1:11002/206",
                        "epB": "netconf:127.0.0.1:11003/206",
                        "type": "UiDeviceLink",
                        "portA": "206",
                        "portB": "206"
                    }
                ]
            }
        ],
        "devices": [
            [],
            [],
            [
                {
                    "id": "netconf:127.0.0.1:11002",
                    "nodeType": "device",
                    "type": "terminal_device",
                    "online": true,
                    "master": "127.0.0.1",
                    "layer": "def",
                    "props": {
                        "ipaddress": "127.0.0.1",
                        "protocol": "NETCONF",
                        "driver": "cassini-ocnos",
                        "port": "11002",
                        "name": "cassini2",
                        "locType": "none"
                    }
                },
                {
                    "id": "netconf:127.0.0.1:11003",
                    "nodeType": "device",
                    "type": "terminal_device",
                    "online": true,
                    "master": "127.0.0.1",
                    "layer": "def",
                    "props": {
                        "ipaddress": "127.0.0.1",
                        "protocol": "NETCONF",
                        "driver": "cassini-ocnos",
                        "port": "11003",
                        "name": "cassini1",
                        "locType": "none"
                    }
                }
            ]
        ],
        "hosts": [
            [],
            [],
            []
        ],
        "layerOrder": [
            "opt",
            "pkt",
            "def"
        ]
    }
}