Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE9tMwLIWVB7nt6t9f2+qpATdSXSviHbJlBqmhndSWrYg41q9OTBxUaK0xj… (844 chars)"
  }
}