Transaction not yet indexed

PYyKWWYaE452TCSCg4J6oV54eAKw1gFZGyTgBMJcArdfADCWMWTZRsAMrt6PL9sauCSRtbGpNqXPpbGkvHQaGaK

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