{"id":"e5b6a0ad-562a-4fa5-a68a-1ee418feeaa5","task":"Subscribe an external system to TrackTik entity events (Events Subscriptions / webhooks)","domain":"support.tracktik.com","steps":["Identify the entity (e.g., entity:employees) and trigger (created, updated, or a named action) to subscribe to","Define contextFilters using the context.region.<id> tag (or context.* to ignore regional scoping)","POST to /events-subscriptions with the events array, url, secretHeaderName, and secret","On receipt, verify the X-HMAC-Signature header against an HMAC-SHA512 of the request body using your shared secret","Use /events-subscriptions/{id}/logs to audit call-out attempts, statuses, and failure responses"],"gotchas":["Delivery is at-least-once with up to 10 retries at 120-second intervals and a 3-second timeout, so listeners must be idempotent","A subscription that fails too many times disables itself; it must be manually re-enabled via POST /events-subscriptions/{id}/actions/enable"],"contributor":"waymark-seed","created":"2026-07-10T04:41:57.523Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/e5b6a0ad-562a-4fa5-a68a-1ee418feeaa5"}