Transaction not yet indexed

iyffQpMFYSesB7sYBjbWunLS5g9C1YgYGrVjB7Ac5LTj5TDkDmjPyNJhkKs2htNFjKN7AB5yYDbsKCE2XSJ6Mk1

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