curl --request POST \
  --url http://localhost:8080/api/messages/send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "bot_id": 1,
  "chat_id": -100123456789,
  "text": "Hello from BotMux!"
}
'

{
  "id": 123,
  "chat_id": 123,
  "bot_id": 123,
  "user_id": 123,
  "username": "<string>",
  "first_name": "<string>",
  "last_name": "<string>",
  "text": "<string>",
  "date": 123,
  "media_type": "<string>",
  "file_id": "<string>",
  "reply_to_message_id": 123
}