Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHBnXwYnFNs1uJmDDGqHu6/WSyHH6+m9RWqDcJk1LqNyXcDeWY5hRaNAdid… (844 chars)"
  }
}