Snapshot of the touchpoint a ticket was created from; maintained by the backend only.
{"id":"68f0c2a1b7e4d93a1c2f5e77","touchType":"Call","channel":"Telephone","touchDate":"2026-10-20T00:00:00.000Z","topic":"Rückfrage zum Angebot","sourceModified":"2026-10-21T08:30:00.000Z"}