Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA8YVRoos7k6n2+NI01rxxsYUMpek8UoqaCZ8eu3FMmKhL+Yfx1DnX1xQA4… (1,748 chars)"
  }
}