Transaction not yet indexed

QMD6SsDgV7ExTNXtmLGsPp7kMbmxvaL9DTgCYMTLKdKCvKMDDFN5g2AzPzva6q2SPXpW2CCrSpkr2NGJnd6REXP

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