Transaction not yet indexed

21EMLMrymD2RZERm5RZQXh7eqt3oLboAMd4kayUrDiniSuTBUFZrWWzzCJyXFF1Cnq1vw5DKhNVhPnFvNuEfCTS1

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