Changes

         $result['position']    = $node->getPosition();

         $result['position']    = $node->getPosition();

         $result['level']      = $node->getLevel();

         $result['level']      = $node->getLevel();

/* FIX Add here this new line to add the missing property returned by web service */

/* FIX Add here this new line to add the missing property returned by web service */

$result['updated_at']  = $node->getUpdatedAt();

$result['updated_at']  = $node->getUpdatedAt();

         $result['children']    = array();

         $result['children']    = array();