Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDRvY7GjnghgT8TIP+a2nfBVs7dATlHJ9mI92nOvjSxW2F1+dG+3YRfVA4+… (1,748 chars)"
  }
}