Transaction not yet indexed

668GNhWzWgchV2TCW9cbGa2xiBNgVQ3bMMbLHciDThaC1FdtQRXnoDpMhRLTjsoAwmiEQEHZiJE9WeMLst6kHmHi

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