Transaction not yet indexed

MdmUmPsh3o5dwqyKUy1jUKsAHAW1SRFSR1zknNEvSrByKf1V2QSx7iuzQgCgELg9d8hPEBwH1csxae9FDPCbGvd

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