Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBiap3dXS0XCQwKyPPdHCTxP/kf0spMZ9wVwoVCRf3ujEW54Ip3ONUwIeny… (1,748 chars)"
  }
}