Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+zaW2e9Lfz9IAGLzi+9TuZZKdNLir+L83jd4cvnV5WUEZpO2LL0ixwMuG… (844 chars)"
  }
}