Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAT8Cb+Z1JtU7kfreZHzQNenNk/hGWIhg51yWD4JOPF+RFee9FPKWJMX07/… (1,748 chars)"
  }
}