Transaction not yet indexed

PKf5wCGQReLkavpLqae2uPgttpndwVaz2ccMEzGF1pW3x5z3xUf7utQWfNPC6igAwCqAXtwd2zKUB5qYp2VDSm8

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