Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAP6LMmzA2qhEsODdyyuAb5R39N3w/FgPuAhb3sfnih7VaHYaFFdX4B57v+… (1,748 chars)"
  }
}