Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFLTC9afoXRWm4+gD7P9ywjDnsWgwY7BT0YTrTHAY+DOkvPiK6GmgKc5mXh… (844 chars)"
  }
}