Transaction not yet indexed

MDuHdMWjf4cZH1E1GU5UqpDqLATUUJKFsWy6Vep8SoHHg8Z68LZ13U6U21ujKj3uf3vEWytXtwsNLmWTK4QFb22

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