{
  "manageEntity": {
    "action": "Create",
    "entityId": "1824961494",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1824961494,\"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": "0xe68e8a70c661902cb382ec62ce5bc1e6bf38fe66322f7408d1d96afc03577943",
    "signature": "0x1d92e3d2bea481587c2e1d50bfe4b2ddf6388bb4b6532ef3b0026b2531e53c9f40d85a091963de223203fed01f0c9eb6c4f6da531ed61d9aeab56b7e96c5e3931c",
    "signer": "0x378543D1f467aD15E6688fa37eFF55939dFEDFc2",
    "userId": "200959284"
  }
}