Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCUmrwhttPX4HZk0GntUNrwg+J5f4WsQDhDSdGo+ZyAdWOOPPtLA6c8kJOl… (844 chars)"
  }
}