Transaction not yet indexed

668V4mVKKS14dZCr5EnExrT54wxUXWyTvqkqtbdtkpcvu4UtH3xJ4QEwhbD6Cu1fTqoUrHd9KZekX5doK1d3jb5m

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