Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFz5Bz01SMvY2hgmro/nI6zgXaJ/2gNn/YOA/gkmvZdFVXl+o5zXRuTIehu… (844 chars)"
  }
}