Transaction not yet indexed

668QPa2N3W6Cxk3oakeNahqnbHPHdkcH5eKcEKy1xRtHewCnSj3YL5S7wHkJBtPusSPBedRK6PQk9y7eDeBu4KZ4

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