Transaction not yet indexed

668dwwWzhzh7bcsGv3HMy49G2NS8E2L1ce5Hsb3k5qRHKvxuLBJ7xdaU31qN6mt8G9cinwHNQbssyAJMzQ5CJZLU

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