public function load()
    {
        $data = [];
        $routes = $this->getRoutes();
        foreach($routes as $route) {
            $parsedRoute = $this->parseRoute($route);
            $routeData = $this->requestService($route, $parsedRoute);

            if ($routeData !== null) {
                // When the routeData contains more entry. (if it's a numeric array)
                if (array_values($routeData) === $routeData) {
                    $data = array_merge($data, $routeData);
                }
                else {
                    $data[] = $routeData;
                }
            }
        }
        $this->returnData($data);
    }