Transaction not yet indexed

66Xbu8fEe8TmNTWPRHfFAQcPYGXL4LbSEFFPqMeHqD3NBjBhWdNDLxrFsQcKn3ginaPM6gwjt5rm7V1iCvHH5SKK

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