{"blocks": [{"key": "702730a1", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c08cab00", "text": "Given a React codebase containing several bugs and performance problems, identify unnecessary re-renders, event-binding leaks, and misaligned rendering. Bonus: How would you optimize a severely laggy component?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}