def METHOD_NAME(params):
    env = os.environ.copy()
    region = params.pop("region")
    env["GRASS_REGION"] = gs.region_env(**region)
    results = gs.read_command(
        "r.futures.validation", format="json", env=env, quiet=True, **params
    )
    results = json.loads(results)
    reg = gs.region(env=env)
    results["n"] = (reg["n"] + reg["s"]) / 2
    results["e"] = (reg["e"] + reg["w"]) / 2
    return results