Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCaviC3F0YxBhffw+6qhIz/3kdbCy7Wax3TPqgZu3LV0wNSQU4Y9aUgts3P… (844 chars)"
  }
}