Transaction not yet indexed

668MWJsATJxukWsEEzgcCFQ4Y9TpcR8CvDsUzVEjbBPQFKujJZteSJFgSNCEvN8tVpxFKg4gPUSBVjTtWLnS2SeJ

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