Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEgOI2ezKNtg+L1Q4RUph6PvFi3oUluo95x11RZAb43Nh0wLqt/ZH0xH0kj… (844 chars)"
  }
}