Transaction not yet indexed

NU5tftZbAx87MmRJuG54y4o4xTBymETaFWMF57RFavUJFQco58QzF1Bm6gJKDYNp5Ckw9NgQ8WDbBMEAbwwY536

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