{
  "comments": {
    "new": "Volume Serial Number: BB8C-7831"
  },
  "error_count": {
    "new": "0"
  },
  "exe_date": {
    "old": "2000-05-21"
  },
  "legacy": {
    "track_type": {
      "new": "Data/Mode 1",
      "old": "Data/Mode 2"
    }
  }
}