Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGh//WTWS8ERzWuZy7vIiHsqjbHMSUc8aY0OI1QXbnVAFtYMpHJNWXOZ5Qz… (844 chars)"
  }
}