Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC7uxaVmjjzSCtVe9V17xFvaJD/gWcW6yAA6jdKRuX7Xz45cHoIKcK5Popr… (844 chars)"
  }
}