Retrieve a specific authenticator registration.

get https://{tenanturl}/v1.0/authenticators/{id}

Retrieve a specific authenticator registration for IBM Verify instances or custom mobile authenticators that are built from the IBM Verify SDK.

Entitlements:
- manageAuthenticatorsAnyUser (Manage authenticator registrations for all users)
- readAuthenticatorsAnyUser (Read authenticator registrations for all users)
- manageAuthenticators (Manage authenticator registrations for yourself)
- readAuthenticators (Read authenticator registrations for yourself)
- verifyAuthenticator (Use IBM Verify)