{
  "secret": "whsec_EXAMPLE_ONLY_DO_NOT_USE",
  "now": 1788868860000,
  "headers": {
    "content-type": "application/json",
    "x-mailactor-event": "message.received",
    "x-mailactor-event-id": "evt_0123456789abcdef01234567",
    "x-mailactor-delivery-id": "whd_0123456789abcdef01234567",
    "x-mailactor-timestamp": "1788868860",
    "x-mailactor-signature": "v1=9e34323b31594245ed9541aca26f1e48e79fbff68299b54d1560548cf34dc8ef"
  },
  "rawBody": "{\"id\":\"evt_0123456789abcdef01234567\",\"type\":\"message.received\",\"createdAt\":\"2026-09-08T12:01:00.000Z\",\"data\":{\"messageId\":\"msg_0123456789abcdef01234567\",\"inboxId\":\"inb_0123456789abcdef01234567\",\"threadId\":\"thr_0123456789abcdef01234567\"}}"
}