Summary: This closely replicates EscapeZero work in D23328638 and will allow us to issue requests to SCS using Thrift Fiddle (https://www.internalfb.com/thrift_fiddle).
Reviewed By: EscapeZero
Differential Revision: D23475864
fbshipit-source-id: fb286e3fcd6ea79704fa2e7e1ed9ab5595ff7b81
