{
  "manageEntity": {
    "action": "Create",
    "entityId": "16772214",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":16772214,\"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": "0x7fe75c77ab94edc68ba52c7e137094828b69fdd4dc36c0aac6d333170d5870e4",
    "signature": "0x64782b0c8789d9381942fa1a6196bd5f1446704a41e454a8e25f768ee99f2b927ce81d2522947e790f57934264ffa1b9cf66c803e018cc5efff2cbbb6edad2541b",
    "signer": "0xA7d89687eA52926025be75F46A3F9ca9a7664515",
    "userId": "33854697"
  }
}