Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBhsrF63G3n2RZ+mC7Vk6TLVzrY/giqeW1hJlev5v6R1BL8oZgiIH9uO7KX… (1,748 chars)"
  }
}