Transaction not yet indexed

21tngg4FDnz3aZRrcJzDApao3SMDCsSK27KGcjdZUXbubfmvweS7GKcsxEv9xLciTAMUBRmcSVuyFV9229F9CBvk

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