Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCYMwDzCnABJ41EJ9RhIKNjBcdF58cZdOD4tli/9qvUKSBLDZF/iHq28Qon… (1,748 chars)"
  }
}