Payload for updating an assistant.
update_params = {
"assistant_id": UUID("123e4567-e89b-12d3-a456-426614174000"),
"graph_id": "graph123",
"config": {"tags": ["tag1", "tag2"]},
"context": {"key": "value"},
"metadata": {"owner": "user123"},
"name": "Assistant 1",
"version": 1
}