Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCe/di0kELv5DlsHqfnkC3dMO5S6sZrcV8SBJ3J+waA3VIX5mxz4OuJujhz… (844 chars)"
  }
}