Transaction not yet indexed

REQCf5sbYfVVhgCxrguCy9HChTkcWNXnsar1Dh9tEZvfL74wqeSgZQz3tfVX4mN3Ck9hBrZ9ZDb5f2SCc2Q5iL2

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