Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHEgDsYMWV2vuUf9hpnFZXSPRZZhtECbnvbic4Vy5DcqHYiJaeYDqRq0phu… (844 chars)"
  }
}