Transaction not yet indexed

MYMZK5oLtP7YZzZtpPHiy22moxdbpHZGTpXmCT2u1NVS6WijXimTNqCsevw9qRk2TJMwqP2b4SLbAWXc9yCtpQG

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