Transaction not yet indexed

DF99yM2tWky8eWAEhZatLxSZtAib4mJwpncVJdtpWkcchnZa5ck1BaPun4CZZLXQjrQ5duEaWEm6V8rATBRx1WS

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