Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0LWXfJLXymWgX3CcEOAXtJLg/3/Xg2l4xssJMze5hBEZUWvi8LTKao1vv… (1,748 chars)"
  }
}