{
  "legacy": {
    "length": {
      "new": "00:08:25",
      "old": "00:06:00"
    },
    "sectors": {
      "new": "625",
      "old": "450"
    },
    "size": {
      "new": "1470000",
      "old": "1058400"
    }
  }
}