Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAhHVN2QHk9IW8L3krTOMDLc/Gx71wbdOxP2QUj6gJ0Y0ocBS5gE4dKXKQ1… (844 chars)"
  }
}