[
  {
    "change": "changed",
    "path": "/status",
    "before": "pending",
    "after": "paid"
  },
  {
    "change": "removed",
    "path": "/note",
    "before": null
  },
  {
    "change": "added",
    "path": "/tracking",
    "after": "ZX-81"
  }
]