BeaconName: Resource name of this beacon. A beacon name has the format "beacons/N!beaconId" where the beaconId is the base16 ID broadcast by the beacon and N is a code for the beacon's type. Possible values are `3` for Eddystone, `1` for iBeacon, or `5` for AltBeacon. This field must be left empty when registering. After reading a beacon, clients can use the name for future operations.