{
  "manageEntity": {
    "action": "Create",
    "entityId": "1757895465",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1757895465,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xed949ea4a06e238ea04165821433466a313ede12ddd46bec647653f1ba76de1a",
    "signature": "0x6da94864a1ca07b3ea468f7c73bf8d13fea0eeab458972b4e3a7d9904b6c65e513884b709cb56ca472211e9abca26ff4f674de6476c89887f901272e0f24883c1b",
    "signer": "0x697Bb9365bce0028D36116E87976C10032334c1D",
    "userId": "46191477"
  }
}