https://api.nuget.org/v3/registration5-gz-semver2/yavsc.abstract/index.json
https://api.nuget.org/v3/catalog0/data/2019.09.17.10.18.17/yavsc.abstract.1.0.6-rc07.json
http://localhost:5000/v3/index
http://localhost:5000/v3/registration/isn.abst/index.json