Transaction not yet indexed

668BrefZZNUmbTkQwL1UPHh1d67S9baM2K5gHnfCJsKMQwCSnY7Dws2ZX7C6gQbM9rWHqsoe1saq5eHVqCKpZ3ba

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