{"error":[{"code":"UNAUTHORIZED.GMP_GATEWAY_API","field":"WM_SEC.ACCESS_TOKEN","description":"Invalid token","info":"Unauthorized token or incorrect authorization header. Please verify correct format: \"Authorization: Basic Base64Encode(clientId:clientSecret)\" For more information, see https://developer.walmart.com/#/apicenter/marketPlace/latest#apiAuthentication.","severity":"ERROR","category":"DATA","causes":[],"errorIdentifiers":{}}]}