Transaction not yet indexed

UDNbFVfB9zm8SLgSu9j6uKZWMZnhPinStWy4iUw5XWFWcCGrLq118Fv36D7hffyKJeMxefgGFnnPmjYm9RQSRrp

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