Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGw8lIPc0+rmZkncloZ5+dD0Ta4G5XZVyCq1y5GBh/A22aADDbD3u0O+H1u… (1,748 chars)"
  }
}