Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBA2C3YZ/zQ+NtAmXFFyumxU7/2l7k84AGYbPSAVnLgBTP1rnxmR6jh58YX… (1,748 chars)"
  }
}