Github user achristianson commented on the issue:
https://github.com/apache/nifi-minifi-cpp/pull/286
...also I think it would need to be
```json
["string val"]
```
or
```json
{"dummy_key": "string_val"}
```
to really be universally valid, not just
```json
{"string val"}
```
...because there is no key/val pair in that object.---
