List connected X accounts

Example response

{
  "accounts": [
    {
      "id": "42",
      "xUserId": "9876543210",
      "xUsername": "elonmusk",
      "status": "active",
      "health": "healthy",
      "createdAt": "2025-01-15T12:00:00Z",
      "updatedAt": "2025-03-10T08:30:00Z"
    }
  ]
}