{
  "profile": "sidecat.system/0.1",
  "kind": "activation",
  "appID": "https://example.invalid/sidecat/apps/contacts",
  "appVersion": "1.0.0",
  "packageDigest": {
    "$sidecat": "blob-ref",
    "algorithm": "sha-256",
    "digest": "ec88e1e971b15cb4eede9684c4c405fc958740cc0fd3f97e0dbd07907d58d204"
  },
  "descriptorDigest": {
    "$sidecat": "blob-ref",
    "algorithm": "sha-256",
    "digest": "95504171d93839394c0671837ad94b4b2adb5228805ee4dc8d0e266ac57de386"
  },
  "handlerBuildDigest": {
    "$sidecat": "blob-ref",
    "algorithm": "sha-256",
    "digest": "45a23d0c6f75ebe7e71862b7d0b3f80550de5a98e1acb4b70044bc72e57eab73"
  },
  "owner": "urn:sidecat:owner:89f93660-f35e-4efe-92f2-aa98119b0a09",
  "instanceID": "instance-contact-test-1",
  "interfaces": [
    {
      "id": "https://example.invalid/sidecat/interfaces/contacts/v1",
      "major": 1,
      "minor": 0
    }
  ]
}