Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBOpfgrFrgkEDLsxfVWSh0aX50BVXh3BdwEhwmXImE3/Hz9x20IWsytK1Ys… (1,748 chars)"
  }
}