Transaction not yet indexed

mMDdUMDdH1at9kZWUfJVtc88zkaaPyJPMwJbEnUH7gPDdFnj9qS77aPXLSwfChBNeZmVoEPFy8bJa3CRmZtLwi1

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