Transaction not yet indexed

668ktJQCCMd7YN25cg218TrC78JTHfKZbx3nSKhkTcW7aNnmDWBArftVu5ixXjE8g1jYYFrh8aPj4AxCJHScWPEd

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