Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAUSKRdHTshNXz8HSnMEohm4OzRPJwugB6lh7SrkMl1Xw7n9PwWZrEtp5vA… (1,748 chars)"
  }
}