Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF7Vz081BOzojGjCH/yEuAGd+PqCxwbpQ+PZ8TXG5f6dDm6I/K8NGjbZ6B0… (844 chars)"
  }
}