Transaction not yet indexed

MEX3pWCdkBd2TrAX8vcZeyfui7Cc7ZsZnD6wYGkeVrHQ41dre1LRUN1SDUWe5Za1EEVWYBUb8JGoFoxp8pav1Jr

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