Transaction not yet indexed

621Q4QTdPxdMZP7fqAQBk1p9m3YUXJdRCqSFkJUq2x6jcJ6y8WaFf1GGAEcjTJw9urJsAwW1nKW96RbPxQKDJFd6

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