Transaction not yet indexed

MDkT8HtKtyHx1QA4HbzszNkUtAqYMmpUPX3h6Qyne2mUXiz7cN5FFFS5bWbSdm4BahZPyGo22XP4LUtQE2FtFu9

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