Transaction not yet indexed

666NMGMYGV4PoKK6NbaEez8wHNwYYGuXGk44hcniQKXRQs3zbZ2ATbfcDeTQPdVDbTnVqxixaBz5Dwbcb7HVkDZg

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