{
  "manageEntity": {
    "action": "Create",
    "entityId": "161728383",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":161728383,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"ما دوقلو اییم!\",\"duration\":49,\"audio_upload_id\":\"07895373d9236d1e7de7c5b5f480435b\",\"track_cid\":\"baeaaaiqseclvhdc543fx4pcn4kzdpkyp6zotddiaozc6g3i4u2pxyf3xkyrx6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebadcdprede47g3dzqvyqvavkup4fjuovmgvjz4adpvv2deya3fl6\",\"orig_filename\":\"Ma dogholoim!.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":179958471,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecwwjx7vhfcst3qptghvdugvqk4e366skamjczjwn4ec7uiak5l4q\"}}",
    "nonce": "0x9510859293fffdad32e61db829b1266720e6fa846092b755929e4f1c51cb5489",
    "signature": "0x8102bcc2a257c3bf12b79df82782ecb9e85d30a26cded902cf8551dc9b6c3de60ddd9e0454d5eea62f08deabc5ca93de1dcc200cce15ca362eb56e424903e9d91c",
    "signer": "0x414D2F84e2deBa4916C5f887410082F579C348d6",
    "userId": "179958471"
  }
}