TOKEN sequin_cdc APPEND DESCRIPTION > products CDC events from Sequin (Postgres → Tinybird via WAL). action = insert | update | delete | read (read = initial backfill row). SCHEMA > `internal_id` String `json:$.internal_id`, `id` String `json:$.id`, `name` Nullable(String) `json:$.name`, `description` Nullable(String) `json:$.description`, `org_id` String `json:$.org_id`, `created_at` Int64 `json:$.created_at`, `env` String `json:$.env`, `is_add_on` UInt8 `json:$.is_add_on`, `is_default` UInt8 `json:$.is_default`, `group` Nullable(String) `json:$.group`, `version` Float64 `json:$.version`, `processor` String `json:$.processor`, `base_variant_id` Nullable(String) `json:$.base_variant_id`, `archived` UInt8 `json:$.archived`, `__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"