Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEC4Cspd4G3MN7ZyRxwgI2NjfKXKgA5UK1kgqWNdyRvKAUohYuu1Hp9lvQO… (844 chars)"
  }
}