Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHkQTLmmymvT/xA/y7NQjjIbBtnYRGmgOgwXFyK6xOCDyuT2656+nOvBBKg… (844 chars)"
  }
}