Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA+5w3wPUx0H/A7X/K4OTET2yYGRPze0s4xAp4CvM0eYgMkSP3O512XCzkq… (1,748 chars)"
  }
}