curl --request POST \
  --url https://api-v2.watchcollect.com/v2/actions/{action_id}/revert/preview \
  --header 'Authorization: Bearer <token>'

{
  "action_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "effects": [
    {
      "entity": {
        "type": "saved_view",
        "id": "018f06e2-4f8d-7c01-8a0d-cc6fd78f7070",
        "label": "Rolex feed"
      },
      "summary": "Delete the saved view created by this action."
    }
  ],
  "conflicts": [
    {
      "entity": {
        "type": "saved_view",
        "id": "018f06e2-4f8d-7c01-8a0d-cc6fd78f7070",
        "label": "Rolex feed"
      },
      "latest_event_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "latest_event_type": "SavedViewUpdated",
      "latest_occurred_at_ms": 123,
      "latest_action_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "expected_versions": [
    {
      "stream_type": "saved_view",
      "stream_id": "018f06e2-4f8d-7c01-8a0d-cc6fd78f7070",
      "latest_sequence": 123
    }
  ],
  "message": "<string>"
}