{
  "manageEntity": {
    "action": "Create",
    "entityId": "608017745",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":608017745,\"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": "0x2440f406d16f5d93439613dd457d49d4f503df5a9eddc05af31711ecef0818d1",
    "signature": "0x4b5f34a7b3f5adac9b2cc30e0ff5043ad48b6286564fa76e35d2b06ee2955bef437a3e843b676ff47e2cee566e88ae3f4406aaeb410e0f68330c2eef08688a7e1b",
    "signer": "0xDBdb14Fce254346e42D75edDBAb7C809a0116479",
    "userId": "694088484"
  }
}