Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHa2E9aQ+/B2ZW38uba+gtz+HfVA2K+1y0cntBI8m/3W3ZpzB8/wHKpIJM6… (844 chars)"
  }
}