Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNjYO+H9LwWvRqYdBwPUw+IvBahvxbO+9dayF0xQ1cNnT2vvySxS6c4aRX… (844 chars)"
  }
}