Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGPIJv+Q26zBZt1gr5cflV7x6u8DvlGwfLljNHtdupKpFvwNfI5iSJxwc3F… (844 chars)"
  }
}