Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHJ/MsCfhBBUvzplCy6Ddkh1iZYRmnB1JOO0HE8DFe0TgT6cIEG21sjXuY+… (844 chars)"
  }
}