https://s3.us-west-2.amazonaws.com/caltechdata/08/e8/c9dd-c5f7-4469-bcd2-b99dfa013887/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=20250410T164743Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=bb0101655e298af4f9652c06d5935aef33b0a7500778903324bc99bea22c4ad9