{
  "manageEntity": {
    "action": "Create",
    "entityId": "810992217",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":810992217,\"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": "0x48438c504cfcb59754042524910a576490fcd0866438ef246e02c984b8b59120",
    "signature": "0xa3d22ebaa2d04f1ddb7b3949efaea03e63a34755c7579775be4e2248c344a22d5c91189e47a5316b12e44772622bec99509a6938e6254e178df7fa9a5aa3eb8d1c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}