Transaction not yet indexed

668gFCTGxu46PVRfUvtWCLxSLXbGAPuFVpjACu1PYPPmNcYkEJiv3eGmQxVRWWkiVMEK5DWhEXpr6h1WTNYDb8QX

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