Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCHLvgVr5sDzpFkVWP1YDe3kgQKDNqYEJpQQTpQZDA5NWGwdsNpgB3Vwz/b… (1,748 chars)"
  }
}