{
  "manageEntity": {
    "action": "Create",
    "entityId": "500902240",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":500902240,\"description\":\"\",\"playlist_name\":\"Source\",\"is_private\":true,\"is_album\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[{\"timestamp\":1784091303,\"metadata_timestamp\":1784091303,\"track_id\":304601261}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x93d7288367c7755b21cef5d4517b1032bc85a1024789777a6af967f80e8ca16d",
    "signature": "0x306fe0d9ffe77e34f6f1c51e216954a868d551d129b01f241b1f7ac90727a481194391eacb48bb960092aacf2b88fced7d16aef2c9269b09c7a83d820cd048301c",
    "signer": "0x053AE6b4e0E1ca4c355a1f76Ce5696623A43A617",
    "userId": "79438"
  }
}