Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGgZ6Fk8y4/QYU0HkOvVHHISb8cdIWqy5eUbdmTIFsRjm87Q4aNwGBsA/7C… (844 chars)"
  }
}