{
  "legacy": {
    "write_offset": {
      "new": "-647, +2",
      "old": "+2"
    }
  },
  "ring_codes": {
    "new": "IFPI 7230\nIFPI 7231\nPSRM-023560\tG4 1A 01 IFPI L424 IFPI 7288",
    "old": "IFPI 7230\nIFPI 7231"
  }
}