https://s3.us-west-2.amazonaws.com/caltechdata/ba/64/18f6-b27f-4dd9-bfff-d857e5a48386/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%2F20250421%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20250421T023903Z&X-Amz-Expires=60&X-Amz-SignedHeaders=host&X-Amz-Signature=c1ad90867709a19c721f671979625a5256264de3d032aed646b47ac91320a1b3