Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCv6vsFlz2ZAfTf5aLjQi8/VrftxhiRw4v4vy6xqZEFoUEXUAQf4djI7SJ2… (1,748 chars)"
  }
}