/**
* Returns a partial model of certain user defined by its userId
* By calling this method, only the properties username, fullName, avatar and score of the User will be popullated,
* as well as the provided userId
*
* @param $userId
* @return User
*/
public function getUserData($userId)
{
$response = $this->connect('GET', new Route(self::USER_ABOUT_ROUTE, ['userId' => $userId]));
$contents = $response->getBody()->getContents();
$responseData = $this->serializer->deserialize($contents, 'array', 'json');
// Create the User model to be returned and populate it
$user = new User();
$user->fromArray($responseData['userData']);
$user->setUserId($userId);
return $user;
}