Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGCH/VkGK9oTByP6ZazwLAB8uVUpaaUbdVE/EhaqGeb03F1fBNcCQ+gfxh/… (1,748 chars)"
  }
}