Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHyQw0+X5T6CcPy5xHqpa5OmqpyeGVJDU5FLzJlodnuJWzQuH/atcm6Kkwq… (1,748 chars)"
  }
}