Transaction not yet indexed

nb6u3P7BfPzK9p8mZFtaQRFcoMTEoFkh8JhMPbxL33Zxvas1Kq6Mtb4DBMNiqP7qPPjKRz7bsZRCokTzW2ZDky7

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