Get a single chat with messages

curl --request GET \
  --url https://api.usenotra.com/v1/chats/{chatId} \
  --header 'Authorization: Bearer <token>'

{
  "chat": {
    "chatId": "<string>",
    "title": "<string>",
    "createdAt": "<string>",
    "updatedAt": "<string>",
    "pinnedAt": "<string>",
    "externalChannelId": {
      "id": "<string>"
    }
  },
  "messages": [
    "<unknown>"
  ]
}