Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAXJGEx6EK7EGIHhADH01kQmM7MC+Bc1NJnExsxafItTikc9il5cZDa3bpX… (1,748 chars)"
  }
}