Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEGuLeREU/6Id7/ZYNzKkrv1L6kbE/PEl+HFfA0MQtF6ENyjrqJ1U6E5sl5… (1,748 chars)"
  }
}