Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHOWuEd/mnriKmb8bCJI5LF0QEjPwBLJhuPmP0FzXyTh0VsL6Z6FHS3TfDN… (844 chars)"
  }
}