Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCfyI5gZ8uSZ3+V3gtfqkXAO3lEu+ZNSyGItq+CmRufK0dO+SYh8e7Uihrc… (1,748 chars)"
  }
}