Transaction not yet indexed

21Nfm3PzHELUMR7me3JPyWFZuDYKmGKPST2bop9kDqiFx2TXaUvfbxGqsvKDL3bPHcfQJiNEvxnk8TLyurghXaon

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