{
  "counts": {
    "total": 0,
    "by_subject_type": {},
    "by_aspect": {}
  },
  "changes": [],
  "note": "Change records are observations: a recorded value and a later reading of the same subject, with both hashes, the observation time and the detector version. They include a2ally's own watched surfaces (subject a2ally-production): the record applies to the platform first. An observation states that two readings differ; it does not state why."
}