Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBWRXNcPnRJPJ5hq2CIAueHR+RibF4PLe1WaAT8lpwv6RAcbOxjXTy8IlbX… (844 chars)"
  }
}