Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGf2YA9wUOHBdMCsKMxtTglek9IITpp5OvU8R3lL03ZRwD5ZTlJQziTw0eQ… (1,748 chars)"
  }
}