Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHd1LXYNPkfpo0DkZcS1UAu1UdcbMlrQKsUo3iVxeXQCWzfaR7hppPD9zHL… (844 chars)"
  }
}