Integrating openai with pipedream, proper format for prior message history

I’m using pipedream with openai, and I’m trying to set up prior message history. I keep getting the following error:

"Configuration error

The following message doesn’t have a “role” property:"

I have tried using this command

`{{steps.chat.$return_value.original_messages_with_assistant_response}}`

as is outlined in this blog post. I have also tried entering it manually:

[{“role”:“user”,“content”:“Hello”},{“role”:“assistant”,“content”:“Hello! How can I assist you today?”}]

I keep getting the same configuration error.
What am I doing wrong?