Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHZWl6o6jGbCHgOIIhKVdPMzu8/rEwCcnsVKoyaRTYHBjo5Y4Jaq3QrMdi… (844 chars)"
  }
}