{
  "manageEntity": {
    "action": "Create",
    "entityId": "1708121048",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1708121048,\"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": "0x47316db08f7a6e59275c2133589348b743b03a7abd06cf590b1cb402f52edb82",
    "signature": "0x5418b67a6fb2117a737b00fddd63127d41b97bcd7221001bad62af5bea3dddaa28e6825aa29c9708f12e1744a4433708aba607857e69bb5364aacf304a4d7ff61c",
    "signer": "0xddd857d1C30d7daA440677DFfdfB982c2013E513",
    "userId": "916942654"
  }
}