{
  "manageEntity": {
    "action": "Create",
    "entityId": "1811645243",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1811645243,\"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": "0x5d46bd9aa6bc0ed94c304a45501fcec0270544e7f42db6676045c7507dc581a6",
    "signature": "0x858d636d494281a4c3236ee737cff7e34825f1d99025ff6a4da858860c806bc87f33af46beda6f78c3baf71ab97e527b3206d4b4086366d39c4d546f18556c7c1b",
    "signer": "0x3a6d9Afe6CDd1C057eD5C1A8d504E6F956675D35",
    "userId": "820705315"
  }
}