Transaction not yet indexed

MirEE6Scf1GjZyDFoqt6eqo2v4JCWCDTneAJLL2bj6MLrc23UEitRxxCyDMmz4RWv1tDfe4jfJkfQhJKLUrq1uF

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