Transaction not yet indexed

668wndtKkpvYA9FJNG26wGKa1DYJsQ5HY3Xag5oX5v4E41oAkKPZNkFuBcV6vb3nKSyuK9tnH9qti1Azymjymwfq

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