Transaction not yet indexed

1UmkuXyTAiBca4CVGdaMgGvrF897K3mn3HQrUAPCvR7AFdxdzmcZM7RuoR8M1FN7LFNw6AB15WHwAsNP6DmwYN1

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