{
  "manageEntity": {
    "action": "Update",
    "entityId": "574363963",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Another Mission Yet Again\",\"is_private\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x6514409dcd8de5628a390c4a851051e6a363bcdbb6248a76957480828331f99f",
    "signature": "0x6e290cb16089e190f2821daf653caa61003dd0bc8d18fed5a8f77078d240e5472783ca2e692fd31666f2fbf9e44151da4a2f3cd57b27df9840f6c53285dc0acd1b",
    "signer": "0x7bF90aDB0D4f329e1dA9BB5123768023eD007adf",
    "userId": "111728084"
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}