Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA3+HOt/T8WfzMUIQUm1t/9jB6e/BG0tgfek2vRwTb5YXTpOrP7+Sw6iqiv… (1,748 chars)"
  }
}