{
  "manageEntity": {
    "action": "Create",
    "entityId": "956601599",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":956601599,\"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": "0x1c82ed81ee5c5110f8d10a1539082b9329a1229350c6f939d85edcf9fb93581f",
    "signature": "0x91d4157122c9d66503b333822ff7bdb7ac3eb174208be224f2c8ea54c04d923e487ca5c31cd1f8189af2646ecbe29185a2416dd85de7e01e792b7ccea6998f001b",
    "signer": "0x17635500a2E4A8cfD5A57FfEb653Bc1A1E036bB5",
    "userId": "251542304"
  }
}