{
  "manageEntity": {
    "action": "Create",
    "entityId": "314358923",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":314358923,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"3. Driving To Destruction\",\"duration\":281,\"audio_upload_id\":\"eb9f7c9eed388092d829ac1a5e2ae17e\",\"track_cid\":\"baeaaaiqsecozocw2sneslv3fdhhrrifejt5jiwflijhekdwtmi2lv3shokhw2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea5p3wnekypuex6cu5oliz4e24yodyfnvty25iypadb6rsgl3aovs\",\"orig_filename\":\"3. Driving To Destruction.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":3855266,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsectwdageoddigj2q6vahm7yegqbpk4ii6hokkbcosviod3bjecfnw\"}}",
    "nonce": "0x60d6cb0ad5567635ad65e792d8aab75dcd4fbe1519dc40ccc341696a8d5dfc37",
    "signature": "0x1c54a8d28036fe36ac49aef2a8281d301188cd25b33e64368395c30d835801cc64808df8cf49e694844c61131acb7326c49bd3db9aef8937187797c9d16bc9dc1b",
    "signer": "0x89695F6d330638f9896182beE7793e33f422F537",
    "userId": "3855266"
  }
}