Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDD+XjGMRZu9NTgLXFAz+V06WDUeHsds3+6Jbz+HBmHJSfhAvMUi0uMoeLc… (844 chars)"
  }
}