Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQK+Cx9vx4IzSvDdJgOjm1R5Db+R1mK8ljswoP6IUXVYZy4q8e9Z9WRwbiJH… (1,748 chars)"
  }
}