code: func (ble *BLE) StartAdvertisingIBeacon(uuid xpc.UUID, major, minor uint16, measuredPower int8) {
  	var buf bytes.Buffer
  	binary.Write(&buf, binary.BigEndian, uuid[:])
  	binary.Write(&buf, binary.BigEndian, major)
  	binary.Write(&buf, binary.BigEndian, minor)
  	binary.Write(&buf, binary.BigEndian, measuredPower)
  
  	ble.StartAdvertisingIBeaconData(buf.Bytes())
  }
docs: // start advertising as IBeacon