https://s3.us-west-2.amazonaws.com/caltechdata/ab/4a/814f-f56c-4f13-8cdd-26a28e65145c/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=20250410T195417Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=73405e484c081f8cc5908b219737c8108021db18d3ecf94963484dacfe236e7e