Transaction not yet indexed

668Tt2wFnn9xwkjHNB2WAdntTc2LSrUZHVRpk5bPx2k3mhu1tdmAddd6bcshsxAbDuFUXkbV15KSLPH9cSHT8Jvj

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