Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHN9HdT8l3G5dGPnJ22/G+0zZgwNKVY4xj+joZ9UaAxISLQI7sGiLZPVkIT… (844 chars)"
  }
}