{
  "manageEntity": {
    "action": "Create",
    "entityId": "1347547323",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1347547323,\"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": "0x2b63bc0282c3acabba47f0573182c4155781dc4e179dc6044f7828d4397ce2e8",
    "signature": "0x38188e8af941a9a7ff0518b99e2a6782d6aa5d673436e39d98d72b5b0e55fcf758a533ac20a03bb316eaa33687e967b8bdcd51d41141d6e4bd76e06f001d0e261c",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}