Transaction not yet indexed

668JtXnWSRFrJ69dEZ6urgFH1jd57dHCD6935maASyrcCa4VB5FBrHy82EcG1b9QzHfhwcf8oPuQ1qc82d1NiKrh

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