Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC6JuIqswbMcevpJYuJYFgbVWJIVk9ZJcEP3wBONc/yQRvABy9hdM/Q1aXY… (844 chars)"
  }
}