{
  "legacy": {
    "write_offset": {
      "new": "-647, +2",
      "old": "-647"
    }
  },
  "ring_codes": {
    "new": "PSRM-017650\t1 IFPI L325 IFPI 50A8\nPSRM-017650 G4 1A 03 IFPI L424 IFPI 7229",
    "old": "PSRM-017650\t1 IFPI L325 IFPI 50A8"
  }
}