wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/90e57c97-9e72-41e3-a7e1-4134aca75918/4DNFIAO7XFBL.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/90e57c97-9e72-41e3-a7e1-4134aca75918/4DNFIAO7XFBL.flex 006010003.flex
test "0fba4b5275682ba9a8562b814bd630bb" = "$(md5sum 006010003.flex)"
drs get -d https://data.4dnucleome.org 4DNFIAO7XFBL