Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCSm1UnfFh/Y1dBvGmjngdM8+gSq6/5+bxQZpl8dWUUAQrwhzkJX4iXjSxa… (1,748 chars)"
  }
}