Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFvqryqtNbb1b2g9oq9Er5WNaQw9iaAKzOQlFJbOVFBjxp8oEeRnJJGFxs8… (844 chars)"
  }
}