Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC5jv25u/xAn5fAPXGAKpGB8ey/YPFzyVCvt0H/tihbI3qXd6yH1Z0488q8… (1,748 chars)"
  }
}