Transaction not yet indexed

21ThPZgqz8PrrtKFR2BrKHis99CjHzFM6ss2Do2zABGADNF18Ws39NDkJepmSQn5vbTurcMVnVGFaomVE3wBkcv1

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