[
    {
        "urls": [
            "turn:__DOMAIN__:__TLS_PORT__",
            "turn:__DOMAIN__:__TLS_ALT_PORT__",
            "turn:__DOMAIN__:__TLS_PORT__?transport=tcp",
            "turn:__DOMAIN__:__TLS_ALT_PORT__?transport=tcp",
            "turn:__DOMAIN__:__TLS_PORT__?transport=udp",
            "turn:__DOMAIN__:__TLS_ALT_PORT__?transport=udp"
        ],
        "username": "__APP__",
        "credential": "__TURNPWD__",
        "credentialType": "hmac-sha1"
    }
]