https://s3.us-west-2.amazonaws.com/caltechdata/e4/46/8cba-7bb5-4e31-8219-1115c2ca391f/data?response-content-type=text%2Fplain&response-content-disposition=attachment%3B%20filename%3D%22Lev4%3Ametadata.json%22&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIARCVIVNNAP7NNDVEA%2F20250421%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250421T023903Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=82589dda73003d5a1c4fec51ed96a155ef07cdb002ed21cbc7f3a934d9895aad