Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLjzUI0mSNQtGjDVrN92F9GvAp2PLaKMcowC8y4cK6OcHd25HGlJH+3JpF4… (844 chars)"
  }
}