Transaction not yet indexed

MD91jn8th9FpEuKrPYrFbvPDfmAZb6mcvCEEfb2MFQgWDosSnMKxs7PzqqQFGiekwct6dvMkDGU9tLafKPTZtJf

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