EC200U JSON support

Hello,
I am working on EC200U and wanted to send data using MQTT in json format.
My question is

  1. Is there any support of json library?
    2.Can we integrate open source json-c ?
  1. Is there any support of json library?
    That’s supportive
    2.Can we integrate open source json-c ?
    We have a dedicated open version of the module, the standard version of the module is not supported.