Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH/fXA/Z+2/a4xVm8kBvQOuLz4A59Jd1ifs8OjaSul77n1yKy4cZJ8+Ruo4… (844 chars)"
  }
}