Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBdWxaeP+bT4RF1tTmb/yK8CVfZL8tfnQ+5W01pJq0qvXItnZJR8oDyJLB9… (1,748 chars)"
  }
}