post https://botplatform.gupshup.io/bot/v1/generic/callback/proxy
Refer to Send Message API for all formats
Payload Description: Text Type Messages
{
  "type": "text",
  "text": "<message to forward>",
  "contextobj": {
    "botname": "<demo bot id>",
    "channeltype": "<channel>",
    "contextid": "<user id on the channel>"
  }
}
Paylod Description: other than "Text Type" messages
Please refer to the Send messages API section for the payload information of other message types.
