Webhook Payload Handler

Process this incoming webhook payload:

PAYLOAD:
[The webhook data]

WEBHOOK TYPE:
[e.g., "Stripe payment event", "GitHub push", etc.]

PROCESSING:
1. Validate payload structure
2. Extract relevant data
3. Determine required action
4. Format for next workflow step

OUTPUT FORMAT:
{
  "event_type": "string",
  "event_id": "string",
  "timestamp": "ISO date",
  "data": {
    // Normalized, relevant data
  },
  "action_required": "string",
  "priority": "high | normal | low"
}

SECURITY CHECKS:
- Note if payload seems malformed
- Flag unexpected fields
- Validate required fields present