https://s3.us-west-2.amazonaws.com/caltechdata/28/6e/f27e-baa6-43c9-ba12-fe28f90ba938/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%2F20250407%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250407T112756Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=fd6249f40599321027145081ce05d7700f3a2ca4df458476bb39125305b0048f