Transaction not yet indexed

421ueQYTxQtV8qNPDhaBNZ8Xhmb5S56VhT91BWHa66w3vr2zX44Ab6Lcy6bCdWMhZ8sHK41Jae379RMvpqEmbzs5

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