```json { "table_name": "column_tags", "table_type_tags": [ {"tag": "dimension", "confidence": 0.90} ], "primary_type": "dimension", "insufficient_evidence": false, "entity": { "columns": ["id"], "unique_per_row": true }, "time_axis": null, "reasoning": "The entity id has Uniqueness 1.000 (every row unique). The table records classification tags applied to columns in a catalog — each row is a distinct tag assignment. The timestamps created_at and updated_at are attributes of when the tag was assigned/modified, not an axis ordering actions or state changes of the tag itself. No usable time axis exists for replaying tag state. Dimension." } ```