Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBCEWRWe4g4cGkqRWmdKGMNsVXuNwyxFO/ddg54Eq5nohXM8jMT3Ipxq5qy… (1,748 chars)"
  }
}