TOKEN sequin_cdc APPEND DESCRIPTION > Customer CDC events from Sequin (PlanetScale Postgres → Tinybird via WAL). action = insert | update | delete | read (read = initial backfill row). SCHEMA > `internal_id` String `json:$.internal_id`, `org_id` String `json:$.org_id`, `created_at` Nullable(Int64) `json:$.created_at`, `name` Nullable(String) `json:$.name`, `id` Nullable(String) `json:$.id`, `email` Nullable(String) `json:$.email`, `fingerprint` Nullable(String) `json:$.fingerprint`, `metadata` String `json:$.metadata`, `env` String `json:$.env`, `processor` String `json:$.processor`, `processors` String `json:$.processors`, `send_email_receipts` UInt8 `json:$.send_email_receipts`, `__action` String `json:$.__action`, `__commit_timestamp` DateTime64(6) `json:$.__commit_timestamp`, `__commit_lsn` Int64 `json:$.__commit_lsn`, `__idempotency_key` String `json:$.__idempotency_key` ENGINE "ReplacingMergeTree" ENGINE_VER "__commit_lsn" ENGINE_SORTING_KEY "internal_id" ENGINE_PRIMARY_KEY "internal_id"