Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH579+5O/YQvuKvj/1V8J5LajXLFBr8r1Qoe+JmJOULpRcO8I33C+OxJe6P… (844 chars)"
  }
}