["size_categories:n<1K", "format:parquet", "modality:text", "library:datasets", "library:pandas", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "doc_id", "dtype": "string"}, {"name": "contents", "dtype": "string"}, {"name": "metadata", "struct": [{"name": "last_modified_datetime", "dtype": "timestamp[us]"}]}]