Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH4RUH/GKOjJDWbFjgBaHyr6HklEp2ccbH9xz+kaibB5UF99c5WfF9z0Ew7… (844 chars)"
  }
}