Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGJCZZFJnIcWyXD8xeXROD/x6gG8OhQSjuUSP5w/5yPlHun8r4Aj8jRSTdX… (844 chars)"
  }
}