Transaction not yet indexed

Mqb9LgRP91MvCZvAjRcfttAjZyJTMEE4HEcRhrdxb1GC8ysYzggHnSqZkEMR6RuB3vm3T5nqWMAoCcQaEvsCER7

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