TOKEN sequin_cdc APPEND DESCRIPTION > subscriptions CDC events from Sequin (Postgres → Tinybird via WAL). action = insert | update | delete | read (read = initial backfill row). SCHEMA > `id` String `json:$.id`, `org_id` String `json:$.org_id`, `stripe_id` Nullable(String) `json:$.stripe_id`, `stripe_schedule_id` Nullable(String) `json:$.stripe_schedule_id`, `created_at` Int64 `json:$.created_at`, `metadata` String `json:$.metadata`, `usage_features` Array(String) `json:$.usage_features[:]`, `env` Nullable(String) `json:$.env`, `current_period_start` Nullable(Int64) `json:$.current_period_start`, `current_period_end` Nullable(Int64) `json:$.current_period_end`, `__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 "id" ENGINE_PRIMARY_KEY "id"