Transaction not yet indexed

668RXjPpWadV1p8PjCcvWiDcNApWPz3LQEYGjMB8XeenGVy4oLAM7gd2uWiyX2tB16c19soPyRFZ2Q1eB1rfe3m4

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