Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFmyGYuCQpcSRmn5y3Ubtxm1bXusHwTyL7cfu0XK5OVKEHji7tPXdyJ4XIw… (844 chars)"
  }
}