Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFlScCddTwNQSb9h+tHT7GXLQrYPwOFcxqZTCdgKFbzOC8ezW89vU1LxQPG… (844 chars)"
  }
}