curl --request POST \
  --url https://api.prequel.co/actions/test-expr \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "data": "<string>",
  "expr": "<string>"
}
'

{
  "status": "<string>",
  "data": {
    "result": "<unknown>",
    "error": "<string>"
  },
  "message": "<string>"
}