Transaction not yet indexed

421tuWC8cqmHePaAcdWHRrGbgYmLRfAgoHQnNmQkcWZagDBmBXaCRCs9Bb1TXon7kSrh6icLNMvxrzCDLrS2QbPy

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