Transaction not yet indexed

UWum6oLARfJT5wAEyXABDmjRy3dCqyLgBbRYRdTuuJ4t4iv7vVpEpK1vzygp5uoYDE3E3y7MvKLN929ZJpAa3Qt

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