Transaction not yet indexed

MDCWoUKL4JPkP13RM6HsD6uYs2LGsfBrcF9JMdaaHEL1aKXzDYZRBE1BJ5cW1xbbLEMPbGTp2L7PVdrbTBBZX2p

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