Transaction not yet indexed

668dnEDzDmC8CGg898sCcTBft7ejs5ddNSSdkdU2Ya7HBfP754sPXg1Zffk3TGZuY5qeJEojCzth3bTzAMb8EbTW

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