wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f14ec77d-aeb5-4f76-8943-9d51b53ce093/4DNFIG7XSEXB.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f14ec77d-aeb5-4f76-8943-9d51b53ce093/4DNFIG7XSEXB.mcool 4DNFIG7XSEXB
test "560182d29af5099cc4642fe0d39f7ecf" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIG7XSEXB