Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDUQ3wqNPzJSZxJINJZEnOrlw/H9HZzZkG3dxTiMOhA2Wa/gMnbExj+jf2c… (1,748 chars)"
  }
}