Sending JSON body
**Is your feature request related to a problem? Please describe.**
I'm trying to post a JSON payload and it isn't working. This might not be a bug,just a documentation issue (no example provided). 

```
{
            "accessory": "HTTP-SWITCH",
            "name": "NAS temp warning",
            "switchType": "stateless",
            "serialNumber": "SW002",
            "timeout": 1000,
            "onUrl": "https://maker.ifttt.com/trigger/homealert/with/key/d16qe9xyq1***SVS",
            "body": {
                "value1": "NAS is running hot",
                "value2": "temperature is over 95",
                "value3": "https://i.ibb.co/28HTMY7/Unknown.png"
            },
            "method": "POST",
            "debug": false
        },
```
What am I doing wrong?

I'm also confused by this: 
> Defines the body sent with the http request. If value is not a string it will be converted to a JSON string automatically.

Is it meant to say?
> Defines the body sent with the http request. If value **is a string** it will be converted to a JSON string automatically.

**Describe the solution you'd like**

**Additional context**
Add any other context about the feature request here.
