Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBVkxpJUtvUfMeQh9t4asfXEmu9AhZu2HGJxnOSDcgPY3PrKEmM5aJk7/wW… (844 chars)"
  }
}