Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDuioEexvcz0t4/idP8lS+zYA5nkkCaYHQXUxIo5hFirlRN3NWSvjM2cAeA… (1,748 chars)"
  }
}