Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA3XxhrTtdi4d+wUiUwnjb2RLB1JO3TjQgkRkKajFBk3QMsmJuU1yvjp/qV… (844 chars)"
  }
}