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      "note": "목표 용량 달성 · 픽셀 크기 유지"
    },
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        "background": "#ffffff",
        "format": "image/jpeg",
        "targetSize": 500,
        "targetUnit": "KB",
        "allowSizeReduction": true
      },
      "note": "목표 용량 달성 · 픽셀 크기 유지"
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