wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/6d6e2591-be6f-4492-9423-923ae9256795/4DNFIQOE52BZ.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/6d6e2591-be6f-4492-9423-923ae9256795/4DNFIQOE52BZ.mcool 4DNFIQOE52BZ
test "90273e420aae5c3f56ddd17ba66d277e" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIQOE52BZ