Transaction not yet indexed

21FzQtTZk5P4TboT1tL3uS9WjA2GFzJjFiFHszbMTTbdnbpMhiuhqCAnZAQJMy2zWGa6YrKENhXdoNRFimpZyLjx

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