Transaction not yet indexed

21MZeA4qtrUsWQhXuQ8HEuyY9euuaVZPjhfcVEHunfEbqK8vP9jM8aZVaRAB6jVuiLq6jHGgkjTdGtuhZCu5CSnS

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