Transaction not yet indexed

ddSRmxaRoAQQckFuCmtcKSMSW35omtr6mCkaW8ToXdRdqdxbZpvyBash3fMYSBPtGEXFf6fzmmHRBY8wRtqctM2

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