status=1&message=The+transaction+for+GBP+12.50+was+successful

// This provides encoded response String
var responseString = NSString(data: data, encoding: NSUTF8StringEncoding) as! String
var decodedResponse = responseString.stringByReplacingEscapesUsingEncoding(NSUTF8StringEncoding)!

String responseStr = URLDecoder.decode(responseStr, "UTF-8");