Transaction not yet indexed

668Nfoe9MGaFSuZs2RMPcVdkrpoSjv9ueQ8oLwF4nw7m9ju4wQyVB2qiBXxLSFSbP5wMbqLoookxWqkWQhegGUDN

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