Creates a new user in your COR instance with external ID mapping
1 (C-Level), 2 (Director), 3 (Project Manager), 4 (Collaborator), 5 (Freelancer), 6 (Client)ValidationError — Missing required fieldsDuplicateEmailError — A user with this email already existsDuplicateExternalIdError — A user with this external ID already exists for this sourceInvalidRoleError — The role_id is not a valid COR role