Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGV4r+U9krSsW6GzPBWGd4TU/mAeeMqIlIY3nD91W/q2SLe1kwVhGu5k4yS… (844 chars)"
  }
}