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    "unicode": "Hello 世界 🌍 مرحبا",
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    "infinity_note": "JSON does not support Infinity or NaN"
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          "level3": {
            "level4": {
              "value": "deep"
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    "with spaces": "key with spaces",
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    "camelCase": "camelCase key",
    "PascalCase": "PascalCase key",
    "SCREAMING_CASE": "uppercase key"
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  "dates": {
    "iso8601": "2024-01-15T14:30:00Z",
    "iso8601_offset": "2024-01-15T14:30:00+05:30",
    "date_only": "2024-01-15",
    "timestamp_ms": 1705329000000
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}
