Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFJ4Jv13BT7f34Zy6AE7wESJlnP8gG9TPs/tBaK8zdiEBj7x9a0Jr/2arJ… (844 chars)"
  }
}