{
  "legacy": {
    "write_offset": {
      "new": "-1993, -1921",
      "old": "-1921"
    }
  },
  "ring_codes": {
    "new": "TFLTFNA10131211-6\tQBZ2\nTFLTFNA10131211-6\tQBZ8",
    "old": "TFLTFNA10131211-6\tQBZ2"
  }
}