{
  "manageEntity": {
    "action": "Create",
    "entityId": "1556078982",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1556078982,\"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": "0xfc7b61b5ed117a2960f34cc7717ab7fdbb0f817b69da27d915d9611e508b9fcb",
    "signature": "0xccdd4cce01d2fc0e27feac2aec59623e2906fddba7b6bba05849f909089d340a1d0b5ad99edca54a1db94850c5ae51135c8323c9e8918cdda4b79bf226f085d71c",
    "signer": "0xD9fD37C8b3537B62C04808cF6fA6A809dc8E8525",
    "userId": "976905984"
  }
}