Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGjYHpUl4bTHNAt2GhnKAc5CnuH8zXYQKvbOw7AXmEWmgWB2wju9Q/70Sfo… (844 chars)"
  }
}