     fileprivate var activePairingTasks = [PairingTask]()
     fileprivate var notificationHandlers = [UUID: NotificationHandler]()
     fileprivate var localPeerCharacteristics = [PeerPropertyKey: LocalPeerCharacteristic]()
+    fileprivate var service = CBMutableService(type: CBUUID(string: "B57E0B59-76E6-4EBD-811D-EA8CAAEBFEF8"), primary: true)
     fileprivate var serviceCharacteristics = [CBMutableCharacteristic]()
     
     fileprivate lazy var centralManager: CBCentralManager = {

        
        guard let services = peripheral.services else { return }
        
        for service in services where service.uuid == self.serviceId {
            peripheral.discoverCharacteristics(nil, for: service)
        }
    }

        case timeOfLastUpdateCharacteristic.uuid:
            guard
                let services = peripheral.services,
                let service = services.filter({ $0.uuid == self.service.uuid }).first,
                let chars = service.characteristics,
                let char = chars.filter({ $0.uuid == self.peerDataCharacteristic.uuid }).first
            else { return }
