Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZwEiInUJv3LfzvfWUOCw8DuysI6Tw4J7y1pXDBsAE8lGJz5uLih4XzkW3… (1,748 chars)"
  }
}