Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3Nk0qCEEoDdFa7oHfufx6D0gnMDc2r5qe7S+4DARF2S1aqP7CfOH8c9qH… (844 chars)"
  }
}