Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBpFOciHfcTu6PqQ2MZmUFGxDC7tELr8y9YQMEJ1QMHJ1yfJWqoaJj5x2aJ… (1,748 chars)"
  }
}