Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFHTg40pZtrnHRiNpb7BwP3Z+N9pD0dOBBIVrwZueoLWHAqtDFg9KpQMR2/… (844 chars)"
  }
}