Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDaCEeD1d/iBRwt9GxMnnOQpJpb0lwf+EdG742+3MK0bkfz4zlAWGoa7aJT… (1,748 chars)"
  }
}