Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBc/hIIKLC9pRc7r9mLqPYY3ijN55O+BZq3hXo9T9ng+TR8Kx0uBkBDYysB… (844 chars)"
  }
}