Transaction not yet indexed

UD4FEmdiqJNDvbzP1cqdCXQUSejcdmj9o8ZqxYf2rg6K6fdWCnMoSt6MNmaqbWtiH14BVEGVsUKaKWvr2m1V7MG

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