Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBx1faHCQ79sNoHvC5+xTqrNR0+e0+l8PQ7DWc1lD3m+VmdrF9NjEw3qNGZ… (844 chars)"
  }
}