Transaction not yet indexed

66ttyHQFFpEhSGrKDs15LpcjAgEkTQu5i26j8YP4ipomLTG2dSMQCNdrE7XnGqRXfWN8zyGTajYXiSvNDPDRP861

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