Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFI9ztl4GmCFoHi6+kXkr7bHIpyjp7veoH/gqXd/TzZ+Vvv8H77jnKYIAlP… (844 chars)"
  }
}