Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB/ZBZz1u56oPeRajQu4GJLh1N/ghW3WYSEFusckQu9ygfR0zQ9m/36MI72… (1,748 chars)"
  }
}