Call permission changed

{
  "id": "0190f2a4-6c1e-7b9d-9f3a-2e8c4d5b6a71",
  "session": "739182640518203",
  "timestamp": "2026-10-19T14:03:22.000Z",
  "event": "call.permission_changed",
  "payload": {
    "conversation": {
      "id": "739182640518203",
      "phoneNumber": "<string>",
      "bsuid": "<string>",
      "username": "<string>"
    },
    "expiresAt": "2023-11-07T05:31:56Z",
    "changedAt": "2023-11-07T05:31:56Z"
  },
  "externalId": "<string>"
}