{
  "error_count": {
    "old": "0"
  },
  "ring_codes": {
    "new": "MK-81800E-0002 A",
    "old": "MK-81800E-0002  A  12345"
  },
  "serial": {
    "new": "MK-81800-50",
    "old": "MK81800-50"
  }
}