{
  "manageEntity": {
    "action": "Create",
    "entityId": "1424338362",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1424338362,\"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": "0xc10459c4ea231b0c2677b0af1978e5e7c2554961deba4d8a6359c4842e9589ac",
    "signature": "0x7ab02003f463d099981094ea7cfa0db4eeb1f4308a1c8813f755be0e902d5df6273face2907ec1752170a0c63083f3df77cc5a7f147ff0fdf17d6d6350cd776d1b",
    "signer": "0x0c04b3299da48663fFDe73ffa9E3e33c33E6E3e6",
    "userId": "321367530"
  }
}