Transaction not yet indexed

668WWUHkL8RWJZ9V72FpYgNfcexLiPeX3ps1DDWbR6ugbRGEn4qRiswEAFDcuDYN3k5UVEpagsJaxRus6yFUrJvJ

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