Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF6FbJQe0yQsWREOpkEzVVezDHdGo9gCJpAx8V6PVmZVjb5ewwxfuC4Acdb… (844 chars)"
  }
}