Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3E8sot2GHOd/hCE0hIodccLuxwRw0kI/6aHgYtBCDCBbUiYDGp/1uQblz… (844 chars)"
  }
}