Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFkIJ7WfVJNG9dPH63F6Vk/8p+alA/s9Dh9w1zZmT7FtxmInUb/SpJMx0Dq… (844 chars)"
  }
}