Transaction not yet indexed

668PWoUdoEhsFKFEfRXsk8spg6WgSHwjy5KGEFqeCQr1tYwcUPnq31Ubbc64B8BVjYDcRt67SwJVn2h9q2GTjoHf

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