Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC4aJTOlp9Sjlp8gx/QtyFrYQ223PYF5GGr+QYwB8GIMRVu0rSjHFb6zv90… (844 chars)"
  }
}