Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBv+VJPM8D6zgn3SeTlxbr7Kqzw3c9Y6vBwr1B8690d0hHmMm+SPx+z0W8B… (1,748 chars)"
  }
}