Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBBOj4fpG3McCmQI8HymWO9dIsJYkH+ggqWtiAy/TFVwS8KJYUfzCZ0LjQO… (1,748 chars)"
  }
}