{
  "manageEntity": {
    "action": "Create",
    "entityId": "1414014453",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1414014453,\"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": "0xc7ded672dd926c46312bbdcae0f7dcb6ea2b2836303ce7969367136cc5e0895d",
    "signature": "0xf09e99ac5195788dd74018d935309dcd5755b23e891775d6f21a93b2a3a149ab65f0712e7ee1f27b678ddf347ec6498e38b9f7079f7118b69c74b552079ff3e71b",
    "signer": "0x13EF65Fa7E8e85C76Bde273f194aa7F273dB6aA7",
    "userId": "595322493"
  }
}