The sensor data returned from the API doesn't have the keys in it thought unfortunately :(

```
{
      "id": "1",
      "name": "Loraserver",
      "type": "sensor",
      "uid": {
        "uri": "https://farmos.mockingbirdconsulting.co.uk/user/1",
        "id": "1",
        "resource": "user"
      },
      "created": "1556130785",
      "changed": "1556130824",
      "archived": "0",
      "url": "https://farmos.mockingbirdconsulting.co.uk/farm/sensor/loraserver",
      "location": [
        {
          "uri": "https://farmos.mockingbirdconsulting.co.uk/taxonomy_term/9",
          "id": "9",
          "resource": "taxonomy_term"
        }
      ],
      "description": [],
      "files": [],
      "flags": [],
      "images": [],
      "data": null
    },
```