Transaction not yet indexed

Der7LPWf2pq7GCNQ5pRsLdnvmiq2Jd1x3McJDDqDPmMLcq5vpzYY4yW4LTgFoVaXtG9CFcbgywgTwybJs1jTT43

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