Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDTMYfc0+GTjDHpzBTJLyo6nla5mxiPqPBKct9/Lso7P0zk9larVNHzJiZo… (1,748 chars)"
  }
}