{
  "manageEntity": {
    "action": "Create",
    "entityId": "1885504150",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1885504150,\"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": "0x53e21609b222569d9d431aa5977f0000a9e2e1c9e3110a46ecc7782a2fcac14a",
    "signature": "0xff6716dbec149a35f464b4bb33bd6f50d33ac6f1b1b4937fd5dc2a611624fa752bf9aaecf2008ec0074e936dbceef4f1d21c317b523f77498513f87630f620f11c",
    "signer": "0x48bDD1fc91E6d1b5Ca6753074bd900D4EDc51229",
    "userId": "852538295"
  }
}