{
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "ZSTH-0011\tMT\t363 IFPI L153 IFPI 448G",
    "old": "ZSTH-0011\tMT\t363 IFPI L153"
  }
}