Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/bU8XnIWMB/YDMtPw1DMxZgJF47lhCbTAK5VHssLBmA+VXwgd8TC55fsF… (1,748 chars)"
  }
}