Transaction not yet indexed

668i4hPrqfMSGV1cc7zvCvABh6YepYFWDbyG31FDdfSmeWiwN2Abkq8qr1m1r3Zk6rmudvZ8FXPbEankmCo7rtUo

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