if ($result['is_error'] == 0){
    foreach($params as $field => $value){
      if (substr($field, 4) == 'api.' && $value ==1){
        $subAPI = explode('.',$field);
        $action = empty($subAPI[2])?$action:$subAPI[2];
        $subParams[strtolower($entity) . "_id"] = $result['id'];
        $subParams['version'] = $version;
        $result['values'][$result['id']]['entities'][$subentity] = civicrm_api($subAPI[1],$action,$subParams);

      }
    }
    }