Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBusTr3FkW+V5eII5H+ZBHiRlK73PW4lyh/7ksqPU9MJC7ZYCwhg6Cl0KJr… (844 chars)"
  }
}