Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAgZuiIaaHj7aCFvpnNkE/A7IbOHXQu/qMfirKppB8O5lknTHnD5fomNnY/… (1,748 chars)"
  }
}