def send_login_url(to):
"""
The user attempted to like a
song from the queue but has not yet
logged into SoundCloud, send them
a register url.
"""
sc_connector = SoundCloud()
data = {SC_Reg_Key: sc_connector.request_register_url(to)}
payload = json.dumps({D_Key: data, 'to': to})
send_data_fcm(payload)
