Transaction not yet indexed

Ddb5nUSrsf21VPQjRSZE2gZcms4QwuEtP1o2FMAWpsMKhMf8onDxTZdsXo5c5TALCDM6woM9Pf21YLzhnJJeiRc

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.