Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHsU6RPHsB4bgiTQxLsdIiYe4e/cqnSaYnm4hIUbZYFlgCyLLth2nYQy/oB… (844 chars)"
  }
}