public function getPage($page_id)
{
// request user infos
$response = $this->signedRequest($page_id);
$response = json_decode($response);
if (!isset($response->id) || isset($response->error)) {
throw new Exception('User page listing request failed: Provider returned an invalid response. ' . 'HTTP client state:(' . $this->httpClient->getState() . ')', Exception::USER_PROFILE_REQUEST_FAILED, $this);
}
return Page::generateFromResponse($response, $this);
}
