Transaction not yet indexed

5ufb91FMidfyTsPyyWAsKavG8Mmm21VcaNxp71QfaqZw7snFj1xNNgxWAcPHG5L8AKFA4jya2tyhCKtZxJmeeyfr

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