Transaction not yet indexed

21st2zjuNiiRM4eZifC7gE1gX5nZKdS1wngQePQuQ5wh9eE4oNAjhmRnwcctW8YykhK8t5M3qcH1EhWHu7VoN5BB

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