Transaction not yet indexed

SDdnHTgtuWf1sVQy2WFEgSbWU2NfjCg8jqEuZnB8w5bmuZJee8Xem29wSSeZv2M5Kk8CwVALLCi4pG3PoMNJUB2

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