Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH3o/ffMFHDkE6yyZdH5vAhm6nIt5nTmbzr6FrN2KU9zXsrTVhz1gUzGDpL… (844 chars)"
  }
}