Validate for Valid Users

Currently, JobCandidate POST fails If a user issue exists on v5/users with below message

{
    "message": "userId: 887xxxxx \"user\" not found"
}

This means the userId (who is posting the job) is created and part of v3 API but not available on v5/user. Hence follow the below steps for creating v5/users and then create a job candidate. Verify for PUT/PATCH too.

Steps need to do

1. Create user on Ubahn
2. Map the user with org

See https://github.com/topcoder-platform/u-bahn-bulk-processor/blob/develop/src/services/ProcessorService.js#L86-L92

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/taas-apis/issues/14