Transaction not yet indexed

MqU6RuPcDKjKpNX7MShwxFsTMefDJaf8Z8wdmoNzZC5EPzriUtx5DVJf3MTFXuzqVfCAsUWfCgTMaTRJBUYDf9m

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