Transaction not yet indexed

21mkPPyEUSse1a7pU3ZtJdw99rFEfRiH9sR4eqwtPAhj7SELV3tfBJT67VgbTBNtUj2rHytBDWCxMAMs9Z8ZYu7X

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