https://s3.us-west-2.amazonaws.com/caltechdata/8f/bf/14d1-33fa-4863-9a10-8d66bb52f724/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%2F20250407%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250407T121938Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=1a0ee22f28ced0401f676f16e868ad4a41c983dd5be988e29a5421df6360465b