{
  "manageEntity": {
    "action": "Create",
    "entityId": "689751899",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":689751899,\"description\":\"\",\"playlist_name\":\"DEAD OR ALIVE\",\"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\":[{\"timestamp\":1777536697,\"metadata_timestamp\":1777536697,\"track_id\":51752441}]}}",
    "nonce": "0xb3d0a4b64d935aa14b95e6689aa153a2177bd546ab438bd33881ff72fb571f85",
    "signature": "0x46c29530f652e56e4e669ce9ec20a8c284f2017a01e066434194525962d6c2603b387b02feac1af21fa8924734fb642262e896ab70711e1a3d38de94e6ba8bc91c",
    "signer": "0x3f31B484C67B3cC6Ab81a3a369594c97B20b98e1",
    "userId": "396636037"
  }
}