Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3WwI+7HRy9Vt9TQAMIpJH07uMz8zY0F1IQyc0p1WCMyKsD3x3SdfcEKwD… (844 chars)"
  }
}