JSON-formatted client info returned by the authentication webhook, if any.
This field is populated for both successful and failed login attempts and
is only null when no client info was provided by the webhook.
See Ditto's online documentation for more information on how to provide client info using an authentication webhook.
If the login attempt was successful, this property will be null. If the
login attempt failed, this property will contain a DittoError object with
details about the error.
Represents the result of a login attempt.