Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGM/3E1LT/W5ItEWm6t2tjBfwIK9LNuNEGja7WpX4P7ykfLDHZOlDYptKao… (844 chars)"
  }
}