curl --request GET \
  --url https://api.utage-system.com/v1/message-types/line

{
  "data": {
    "max_messages": 5,
    "sender_id": {},
    "message_types": [
      {}
    ],
    "action_types": [
      {}
    ],
    "action_common_options": [
      {}
    ]
  }
}