{
  "manageEntity": {
    "action": "Create",
    "entityId": "188448811",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"stem_of\":{\"category\":\"BASS\",\"parent_track_id\":634813281},\"title\":\"02 BASS\",\"duration\":314,\"audio_upload_id\":\"01KNGWQPJDR2SYGW7BFKJSZ7C8\",\"track_cid\":\"baeaaaiqseal543vbucftbaztr4pyab5vilmfztotumfi73rrcvjypcwvjxx52\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecq3vzdyt3auly42n4dsy24aozlgseqpxqspck5tmbgvikmiyi6uy\",\"orig_filename\":\"02 BASS.flac\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":583021207,\"track_segments\":[],\"audio_analysis_error_count\":0}}",
    "nonce": "0x3e42de9c2332986142cdeb7b891f360ea8c4a2144f5b6f57e7093ec9b1b2946a",
    "signature": "0x13f4ef8bdd068c692fd8f1487fefc18547ff5d124aa93e6ba4d1ed379162d6885a5c1f6f945d7bf4a3c947d2f4cfc5f70c8b95bf6d514eebff019b8d37a860531b",
    "signer": "0x4f4C18220D065b5195F09E23993B70Faa751F0C0",
    "userId": "583021207"
  }
}