{
  "manageEntity": {
    "action": "Create",
    "entityId": "1848683976",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1848683976,\"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": "0xaf6115594d47cea5c24ac50f9b95890a072fe6f1c836d1b9a473c1cc21e6878b",
    "signature": "0x90cb21f0a01097438c70d3dab90616149ace6c1663e5c769e0564bb4a084d2ca16aa56091e8079f4af412825c2f0a48843a5f3d8a2f426218e574a56875d8e5b1c",
    "signer": "0xD16DE964b94Db4bDe46DDe6B86F2e9193b7A89dA",
    "userId": "368251394"
  }
}