https://s3.us-west-2.amazonaws.com/caltechdata/39/83/87fa-b821-457b-bd2a-cc2047478d93/data?response-content-type=text%2Fplain&response-content-disposition=attachment%3B%20filename%3D%22Lev3%3Ametadata.json%22&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIARCVIVNNAP7NNDVEA%2F20250410%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250410T163231Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=0d62c2f36ba65f36dcc45c8f6d7a4863ddedbbc0a0abf66c40f7fb3bcebfff7d