Transaction not yet indexed

MdmNsnCFX5S5e2VQ93wbVdDdcyAvh5rFGHYRNAwaYzRweT2thrZrC8v6YXaPQGaYbz2CyBpCUmbrDtpcp6whASR

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