return nil
    }

    func getDeviceInfo(_ hostToUse: String,deviceID: String, completion : @escaping (_ success: Bool, _ json: AnyObject? )->Void ) -> Void {
        var request = URLRequest(url: URL(string: "http://urlHeret")!)
        request.httpMethod = "POST"
        request.timeoutInterval = 120.0


        var    postString = "data={"deviceID": "****"}"
        postString = postString.replacingOccurrences(of: " ", with: "")

        request.httpBody = postString.data(using: .utf8)
        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let data = data, error == nil else {
                completion(false, nil )
                return
            }

            let result = self.convertDataToDictionary(data: data)
            if result!["result"] as! Bool == false {
                completion(false, result as AnyObject?  )
            } else {
                completion(true, result as AnyObject? )
            }
        }
        task.resume()
    }