Transaction not yet indexed

NmkiSSByXuKrhMvurQ7VppKWi4Wk1pGuXYznvw9hAwBgJUatP9P4w2YYM6dZwe1rLZ6YBUmRqsBF6WRKuoMkafA

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