Transaction not yet indexed

21NKk6zJdDHXaM96fkpmjG2dhrv4dBontV3qnUPJ6ttFk8mdWrE3vvi78KgvXjteTYeymd9WRwvTiQgpgDMzoRqF

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