const SiteClient = require('datocms-client').SiteClient;
const client = new SiteClient('YOUR-API-TOKEN');
const jobResultId = '34';
client.jobResult.find(jobResultId)
.then((jobResult) => {
  console.log(jobResult);
})
.catch((error) => {
  console.error(error);
});

> node example.js
{
  "id": "34",
  "status": 200,
  "payload": {
    "data": {
      "id": 999,
      "type": "item_type",
      "attributes": {
        "some": "attributes"
      }
    }
  }
}