Transaction not yet indexed

668WfCNCYjqvHQkAbFcCbRSUsKHowZq9MMk3VZN71WzVM3LFQAx9SqLhqtnYVnq1xnM8uSXLayzGy7xFJ3PyqyeB

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