Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDEiLZY+Q/JOy5hcRFCiOQjQuh7Q5uigiNrKzI4adqyBn67d6trSrTyW3Xg… (844 chars)"
  }
}