Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFTMGND3OTb+e4R5gJlEWwEothGnxg36KAAL3gn4kugWgS1k6dysJfOSm2B… (1,748 chars)"
  }
}