Transaction not yet indexed

121USBQbyiLKzhtomJeQ5EGAPtEzgtJXtPdSQNTxPCVTH9PdeviVAS1gs5fJygo1Xb4C3MNR5kGStcnDxDGAQup3

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