Get ticket with all messages

Example response

{
  "publicId": "tkt_a1b2c3d4e5f6a1b2c3d4e5f6",
  "subject": "Cannot connect X account",
  "status": "open",
  "createdAt": "2025-01-15T12:00:00Z",
  "updatedAt": "2025-01-16T09:30:00Z",
  "messages": [
    {
      "body": "I am unable to connect my X account.",
      "sender": "user",
      "createdAt": "2025-01-15T12:00:00Z",
      "attachments": []
    }
  ]
}