Transaction not yet indexed

668Yrw3j8NZFuVvuZAv4eWj6k8yB2EC4NEtki1KU8CsdSRiZJNcsw2GmDSEvByWWWw6wWPGuyz9Yu5CFLtQAcSuD

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