Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFLYpY0EfrGjOjd5Jbds/lwSZRkq9jH01J6jD3OUcJqe3pCPWkO47uvYZFP… (844 chars)"
  }
}