Transaction not yet indexed

YKKNUMXsZmJPrDXUaPi3jRs9G5AEcMWuot1nPXvhoduinq1xbbZxkZZ6Q4ih5KcoXsZMYDqSGUBzFMfXKkqkuaf

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