Transaction not yet indexed

668aHnkYfSam5mcogJL2DMzwjwUjwV5X5Ffm5gP9WGEw3GEmjTyxzt2AapQV1sBitxS1aQnawtcj9c3AS7JMsFVC

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