Transaction not yet indexed

668LnFoFWQLtwvEs1tRfUaDAwXEV6SYvuNCofePDNqCFXUKrYZdAMiuC394sgecwDat9mZ5troVXdJZJDB5Tc4Gd

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