Transaction not yet indexed

6668JaSfabLQ91LunkapsLrr6WNVPkwvL7Xk7rZiJ1ffNX31aXDPBPor6v7KvfypkPC89UuvVHPJjN9rPQC92izC

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