{
  "manageEntity": {
    "action": "Create",
    "entityId": "605595685",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":605595685,\"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": "0xf4210a5a1b005c37d37510e25b93a56aebf615807b64bd4db919cbafa8fb9f92",
    "signature": "0x2381dd4fff531b205768fa2f71a4e62c17c92eb0473b489d324ede6165bb990b5ffac6dbf9b29292ead31f43c824550c74c80dfd2dc26fadbfd51f4e4365ecee1b",
    "signer": "0xb981A69f41e611D196733940C1F1091b839838D3",
    "userId": "401333815"
  }
}