Transaction not yet indexed

NMug2GoCScoJ3dfVg8BnCFRMkPf9iPScV4ng9B2qTqaYNZqrRAq4cwGLecHTi3FnLorfaQa29LbXW1e6BLxtgZ6

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