Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCmGckwZU4JwzjPLjhG9NNckZpRA5eR+iKyy4UHpWxBdlP/GWDBBl/7s5zZ… (844 chars)"
  }
}