curl --location --request POST '/conversations//messages' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{}'{
"id": "uuid-v4",
"content": "Olá, como posso ajudar?",
"role": "user",
"conversationId": "string",
"metadata": {},
"tokens": 0,
"createdAt": "2019-08-24T14:15:22.123Z"
}