Transaction not yet indexed

UDNKjfpfSeQ5n6KbhDXUd2j8kyitXsSZLFdLdZnpecqcqSQvRebunNUKuGFp7y4ZF5KKuQXFL8rtRc8b9EV8dXz

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