Transaction not yet indexed

668Urr4aZ1xHRFzoaCTZAp4q2nLbPKLCbNNjiykJctFKbWMxUmMQocsh1rG3FUqu6n5Y6XDsuA8tYDHYD2ZfGJS1

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