post https://api-v3.authenticating.com/mock/user/verify/ssn
This mimics the SSN Verification
There are three possible scenarios which are covered in the mock APIs with userAccessCodes 100385a1-4308-49db-889f-9a898fa88c21, 2d91a19f-d07b-48f0-912f-886ed67009dd and 26682cb8-d672-4e0a-a26d-3b9a7cafab64.