wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/56fc24cb-0ac0-4598-9c83-7e3dd90c5d58/4DNFI942MCWK.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/56fc24cb-0ac0-4598-9c83-7e3dd90c5d58/4DNFI942MCWK.mcool 4DNFI942MCWK
test "6c8aa2876d112513a39f0849de855a3c" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI942MCWK