Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBLMN6pB+sysyHeIp/Q4cswgfmVaf1fIkFuF0fqtzfULm5xhLlE2k2rm8jh… (1,748 chars)"
  }
}