{
  "legacy": {
    "crc_32": {
      "new": "3fb4cd2e",
      "old": "f90d860f"
    },
    "md5": {
      "new": "9de58adfafa9cc1fc1690a25b7d18f77",
      "old": "32e5d644c12f10fed04ab4156f15f25a"
    },
    "sha_1": {
      "new": "18691e74c9204a897717486e58a561ab73bf548d",
      "old": "3d2d3261097d69a4302aa4b940483942e6a2f68c"
    },
    "track_performer": {
      "new": "blk"
    },
    "track_title": {
      "new": "4"
    },
    "write_offset": {
      "new": "-1670",
      "old": "+2838"
    }
  }
}