Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEZtyOAYMidAy6lE6EatElfpTgLqIg/87W+6VduodpkIQ4YRtqRVE5WY3JO… (1,748 chars)"
  }
}