Transaction not yet indexed

668b1iLCHFobEn2eGVmUExvC5pmYgXgm2zmDkpMQpDowBPVvyP353rUaakH5zq3Z9bwvCQbGd2Ftkw8HMty9THx4

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