Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGg3lGmt5FhlsXb2/sYv+MYwYA7i2JtKkanByS9gKs9BR6fg1eo+JvtuGRw… (1,748 chars)"
  }
}