Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG3EatT+1VwS9k6uqS38c7DkjQxhyBwUBzqdOWOkw3f7S5SITNq1pt7qclo… (844 chars)"
  }
}