Getting info about device with IP 10.10.10.1
sending payload {
  header: {
    method: 'GET',
    namespace: 'Appliance.System.All',
    messageId: '23fa0b9eaa44ac966642c086da3f7b9c',
    timestamp: 1602015466,
    sign: 'df7a658e55f44d71e041b6b32f876a5e'
  },
  payload: {}
}
Got response: {
  header: {
    messageId: '23fa0b9eaa44ac966642c086da3f7b9c',
    namespace: 'Appliance.System.All',
    method: 'GETACK',
    payloadVersion: 1,
    from: '/appliance/18050346967581251a0234298f11805d/publish',
    timestamp: 216,
    timestampMs: 540,
    sign: '2676924a4e544d7ba2609c081b762106'
  },
  payload: {
    all: {
      system: {
        hardware: {
          type: 'mss310',
          subType: 'us',
          version: '1.0.0',
          chipType: 'MT7688',
          uuid: '18050346967581251a0234298f11805d',
          macAddress: '34:29:8f:11:80:5d'
        },
        firmware: {
          version: '1.1.18',
          compileTime: '2018-12-03 11:15:36',
          wifiMac: '01:00:00:00:a0:88',
          innerIp: '0.0.0.0',
          server: '',
          port: 0,
          secondServer: '',
          secondPort: 0,
          userId: 0
        },
        time: { timestamp: 216, timezone: '', timeRule: [] },
        online: { status: 2 }
      },
      control: { toggle: { onoff: 1, lmTime: 0 }, trigger: [], timer: [] }
    }
  }
}