Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFhmc1YYVWrhrze2cY/wCrW1bxs4jCKzrz8QCAxwjUu5VJPyP3u1fqBXCvY… (844 chars)"
  }
}