Transaction not yet indexed

666RXYG8P7RYGCXs8bD19PCK73vaSYT6oxDNaUEcNaUKTEVioGiSZWP5JaXNtwmxV13YoUGUddiBoUTV8n9fKis4

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