Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD8+MRTGW1WGzVxQSLBykR9Hn9Oy+YF6cuXh8BcpwxPJGfsVw2vePy1kzTJ… (1,748 chars)"
  }
}