Auth ID Characteristic extracted from JWT Token Claims
name: string
Claim location expressed as $(token_config_id):$(json_path), where token_config_id
is the ID of the token configuration used in validating the JWT, and json_path is a RFC 9535
JSONPath (https://goessner.net/articles/JsonPath/, https://www.rfc-editor.org/rfc/rfc9535.html).
The JSONPath expression may be in dot or bracket notation, may only specify literal keys
or array indexes, and must return a singleton value, which will be interpreted as a string.