Transaction not yet indexed

421J9U2RGUcNDqwY6TMsgSYUHNtp9jTmaFiGYsPEwdsoV4CzSfzAWFovELBmosBKfnXYTQgFNKNbTkmBhFY4ePPP

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