Transaction not yet indexed

MMkDK9yh2M3PMGExau7ngeCDDAFxomwPyLLvrEPmRgkYmknZS6rQMmmkg8Tt2DvXPJq27cM5HgqUgoRUMzHS2gA

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