code: def get_catalog_metadata(catalog, exclude_meta_fields=None):
      
      exclude_meta_fields = exclude_meta_fields or []
      catalog_dict_copy = catalog.copy()
      del catalog_dict_copy["dataset"]
  
      for excluded_meta_field in exclude_meta_fields:
          catalog_dict_copy.pop(excluded_meta_field, None)
  
      return catalog_dict_copy
docs: Devuelve sólo la metadata de nivel catálogo.