Transaction not yet indexed

668A4UGHZtXmezyGhSVjsdNVk9SYLHxRGgv3eriCEm7jf94msMPou2DvK9v9KcZj7N9GfbKVTE5CpKkSi5c4GyUX

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