https://s3.us-west-2.amazonaws.com/caltechdata/4c/f1/a572-b819-4da9-8716-4a7063dd9535/data?response-content-type=text%2Fplain&response-content-disposition=attachment%3B%20filename%3D%22Lev2%3Ametadata.json%22&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIARCVIVNNAP7NNDVEA%2F20250410%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250410T180306Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=713b4bd81b6ca01b35a7f161c87f15ad2adeae1c2a64a8793e356802dbf72b84