Transaction not yet indexed

21EXEYopgUB9AxtsrV75DNvnF8MRSkv4fAXBceDvV9KUkfQGcD7MBUnKAzox3kwxKck6Ko6yqv3WSQRDkE9Lqqpz

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