Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCtujkjq8N/033EqCHi1vgcR6xgr+fOW6RIo2rF2hOdaRB5Z+Y0iOM+7Hbg… (844 chars)"
  }
}