{
    "MQTT": [
        {
            "host": "mqtt.lnxall.com",
            "port": 3883,
            "user": "localuser",
            "pass": "dywl@galaxy",
            "publish_timeout": 1000,
            "heart_beat": {
                "interval": 60,
                "pub_topic": "G/[GW_SN]/Evt_HeartBeat",
                "sub_topic": "M/[GW_SN]/Rsp_HeartBeat",
                "pub_payload": ""
            },
            "login": {
                "interval": 60,
                "pub_topic": "G/[GW_SN]/LogIn",
                "sub_topic": "M/[GW_SN]/Rsp_LogIn",
                "pub_payload": ""
            },
            "topic_maps": {
                "uplink": [
                    {
                        "internal": "ipc/[GW_SN]/+/device/+/data_filtered/service/+",
                        "external": "G/[GW_SN]/Rsp_ServiceData"
                    },
                    {
                        "internal": "ipc/[GW_SN]/+/device/+/data_filtered/event/+",
                        "external": "G/[GW_SN]/Rsp_EventData"
                    },
                    {
                        "internal": "ipc/[GW_SN]/+/device/+/data/Rsp_Rglt",
                        "external": "G/[GW_SN]/Rsp_Rglt"
                    }
                ],
                "downlink": [
                    {
                        "internal": "ipc/[GW_SN]/[PORT]/device/[DEV_SN]/data/Set_Rglt",
                        "external": "M/[GW_SN]/Set_Rglt"
                    }
                ]
            }
        }
    ]
}