Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZo1kIqRdeUQSzMNcPT3rT77YNu7S7x97i5OeYwi3pe3cGTt/F3uVXBfeq… (844 chars)"
  }
}