Transaction not yet indexed

688yhxhKUXFuJSonFS2qYhgfTSN9gnjaeqZkaU3yQ89CVbhX7wFZs6nBvk4QYLBRfsYz13u2xM9ajCGQyrYUmCH

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