Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD9aFrBu8jekcPX6z/mfhEiLoBLK3bMYY6C8Xk3UU7WByz6j3HSgMVAoJsX… (844 chars)"
  }
}