wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/6875019a-84ab-4f14-82ce-25348610c739/4DNFIMW7LDHX.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/6875019a-84ab-4f14-82ce-25348610c739/4DNFIMW7LDHX.flex 006008001.flex
test "6e1bf715d75829e43df3bec147787a9b" = "$(md5sum 006008001.flex)"
drs get -d https://data.4dnucleome.org 4DNFIMW7LDHX