Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3ZnlQ2HZ7IzS1op5HhN1QYXw/WnC6LvgWXh8Q14Xs/Xk9U7y3Pyu1znaM… (844 chars)"
  }
}