{
  "manageEntity": {
    "action": "Create",
    "entityId": "480938944",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":480938944,\"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": "0x36bc4923d0616a38f63e4dfde1731e4550063efcdc3787ea6eef61f4e4963a1d",
    "signature": "0x290abcbbc6d8199a9f5a4a2b8066649753db249b6c227cd499e79d6e917a03643c7e797451744fc34cf46d507b81620c2df79bf361a83b93d9b52cda30ca13ea1c",
    "signer": "0xF3f580024E1143590C5BFFD58db5e0Ad68481f66",
    "userId": "396106"
  }
}