Transaction not yet indexed

5u6eCxcmCqT2KDKVa2LtjWxnxeqCUe5wtPsYjodkMytqKEMt8DnCMUD1CEvxAk4SYw2doaWbbfkifPNzFFNSaUJ5

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