Fetch Webhooks By Campaign ID

Possible webhook event types

WEBHOOK_EVENT_TYPE: { EMAIL_SENT: 'EMAIL_SENT', EMAIL_OPEN: 'EMAIL_OPEN', EMAIL_LINK_CLICK: 'EMAIL_LINK_CLICK', EMAIL_REPLY: 'EMAIL_REPLY', LEAD_UNSUBSCRIBED: 'LEAD_UNSUBSCRIBED', LEAD_CATEGORY_UPDATED: 'LEAD_CATEGORY_UPDATED' }