Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF+oM9GXXKC/xp3Mj+MUfe1mqhUQ7eORkaq8BcZXgCer1/QG0K/g9uwGVJB… (844 chars)"
  }
}