Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1CB8qxBHj5fQLLnX8zxSQ8twH8RhLJ7oVZw/oqspWKDzej2jgL3/jXnzI… (844 chars)"
  }
}