Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZcra/V5h8qYVrATfTILR0Fc5UIr1yEPaqd1MrfDfeHlpJA9Lbro9uOQP+… (1,748 chars)"
  }
}