Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHY+eWMrp/Y3ApJmamfKtZNLIZc81YO23MQf/wVrVHSgSz1Zk2cxkbZ/keQ… (844 chars)"
  }
}