Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHVE9oe1V/lx4dZjtBOKlCfeQixxaMKvuCRN9cCNSFYtTqXp7sCb3gCc+9G… (844 chars)"
  }
}