Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGOddKCjWUt7xSP+y4P29Z2KfGYMMkfJMqZOxRGCEN7AkFBTIjKVC7d8BNi… (844 chars)"
  }
}