Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHtlqjWJ/BE/y5Zxz/4J1u8aTwfAOkXuS53NzYg8jBdPWtVHGfGRfePxt/l… (844 chars)"
  }
}