Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQClJU3nzYyrgs/7/Apu09zS91GDIEceY3YC2zQbm7ERp0JpHlWrFmCJEsIJ… (1,748 chars)"
  }
}