Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFhVYYH6YCnQQKu/Ili7Xco63yk1EA7xUFpZWFVeu2qCxBWLLpUpyAzZWaH… (844 chars)"
  }
}