Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBD9JLK257v+e60eSqeLyoPjnYtJZhHOKYv7yOSe+TrnxDfN5EyWqq26zRZ… (1,748 chars)"
  }
}