Transaction not yet indexed

668JfbRqo1ewBpA8LWbe8MWi3aHSf5hASckAXqXXfjFudJ3aQSEmjNw7rHgQdABnubk19MWRUSGurrzoJsi4L7Qo

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