Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAJNPX6VF24D+KrO0Sg/LzTlHxIcr7LDSCz9HMQokSeBX3GDzRQkH7Zrgxb… (844 chars)"
  }
}