curl --request POST \
  --url https://api.example.com/api/v1/sender-profile-chat/start \
  --header 'Authorization: Bearer <token>'

{
  "session_id": "<string>",
  "message": {
    "role": "<string>",
    "content": "<string>",
    "id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "metadata": {}
  },
  "is_complete": false,
  "collected_data": {},
  "next_field": "<string>",
  "suggestions": [
    "<string>"
  ]
}