Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHURaCYVCLBXjGfH2Yb7A+EBKSIoiPxN6dnKFsOOByW7zPVmbyGXZD9aiTW… (844 chars)"
  }
}