Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBlz2v2F+YBVBKTT8SWU0jfnV4mAVcsgSiRXkOF4t/4mhV3lX4gA9/z+jP4… (1,748 chars)"
  }
}