Registers a URL to receive webhook events for the specified event types.
The response includes a signingSecret (base64-encoded, 32 bytes) that is
returned once only. Use it to verify the X-Woop-Signature header on
incoming webhook payloads.
Signature format: t=<unix>,v1=<hmac-sha256-hex>
Signed payload: <unix>.<json-body>
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Webhook endpoint registered.
Webhook endpoint identifier (int64 as string).
socialAccountPost.delivery.published, socialAccountPost.delivery.failed Base64-encoded 32-byte signing secret. Returned once on creation only.