Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDXuQcJpR2bun0v88x/jCxrwmmZYZRJmGqFJH8EvATT+xfHH9I+Jt3eBj1H… (844 chars)"
  }
}