Transaction not yet indexed

668f5puNFkYF5NxTMvu8gBr9PS95Yrw1iZmzvbFRkhtHzyMcAXbZUrxWTS9e49CyJLGuGhMHLupS5z9hbyqSMAqt

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