Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFizPo34h/j7ivLcHg+ZOkTw0b3d6nPTSM8y6PnE7jcVEi8tSjKzKH6lmwo… (844 chars)"
  }
}