FreshChat Bot API Action - Doesn't escape Dialog values

When creating a chatbot, you can use an action to call a defined API which then can POST to a URL of your choice (webhook) the problem is I’m trying to include the value of dialogs in the bot flow, but the values aren’t escaped.

I tried using the liquid | escape within the plaintext message but it doesn’t appear to work (it just outputs a blank value). Here’s the payload:

{
    "hello": "Here's the value of the dialog: ${{node::1234567890}}"
}

also tried ${{node::1234567890 | escape}} to no avail.

I’m surprised values aren’t escaped for this already, but I must be missing something. Anyone know how to get escaped dialog values in my JSON payload?

Example: