Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDQjI837uLDre0S+1CdEGu7G6aJisv59bSbztpnk/7jBWtn4JB7uAmi5aZC… (1,748 chars)"
  }
}