Transaction not yet indexed

668HdJwPArpRZ6oEhhSNfLK4nfpzAr9B5MsNTi2XzZo8ee6BeB4KpSuk6PazCsLTaDpTmZPdfhzdGP1NTkuXJmTt

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