https://s3.us-west-2.amazonaws.com/caltechdata/f8/21/f246-f287-4e30-85ba-87c7114dbe43/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%2F20250407%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250407T142020Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=dab3daee4bc9747f302fedc9fdbdba58183081f3df7352d7ce5fd24bd2165304