Transaction not yet indexed

Mtn6CGqpTEQMXQM2ubsNyrG1qACPpcSN7HVRPHjLE6S4T51LphKGWDLw2xYTGCbVWWCoLMtYyZWLYCV9qPWtTuF

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