from json to swift

problem

let url = URL(string: "http://dookanti.com/api/api.php?type=api&action=getCategories&store_id=2" )
        
        let task = URLSession.shared.dataTask(with: url!) { (data, response, error) in
            
            if error != nil {
                print ("Error")
            } else {
                if let myData = data {
                    do {
                        
                        let myJson = try JSONSerialization.jsonObject(with: myData, options: []) as AnyObject
                        
                        
                        if let dictionary = myJson as AnyObject? {
           
                            if let dataObject = dictionary["dataObject"] as? [String] {
                                
                                        if let id = dataObject["id"] as AnyObject? {

                                 print (id)
                                
                            
                        }
                            }
                        }
                   
                    } catch {
                        // catch error
                    }
                }
            }
        }
        task.resume()