Transaction not yet indexed

668gKe8K978nirGcBdxTuguLDhc2Rj8ZSdH8MbAD3Ab6WrZLjpKLTwSAk284te6xJd4oYF7afcQ38EpXwpo1w3u2

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