Transaction not yet indexed

668yHkjAYRhToz66mLUinegKLnhbMwP3AP9gTfzA11VxmLzF4ZsTK53e2hYrMBvcUmHgbsFHuJeALVJsHimUXjEF

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