The `failures` array in the report currently does not list the identifier of the node that violates the shape, e.g.: ``` { "property": "https://example.com/ssn", "message": "More than 1 values", "shape": "https://example.com/PersonShape", "severity": "error" }, ``` This makes the report hard to use: which resource in my data is the culprit? Is there an easy way to have the identifier of the incorrect node be part of the report?