Transaction not yet indexed

668YY6wzDXTMsmC9BQNqMDZ4ifzRx2wUAMrzbz4DC89RxptsLRveZbbXkPptJ45vmoVNSf8bkhPmEb5sntZaeXfQ

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