Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCJZS8uIuPQiu4wpTMduAzzDkUsbGRwBpT9u4wq3zHGzkHIZH792hkkX6Ug… (1,748 chars)"
  }
}