{
  "manageEntity": {
    "action": "Create",
    "entityId": "667213686",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":667213686,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Deep House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"think_twice_128_fm_mastered\",\"duration\":367,\"audio_upload_id\":\"fb1d4e2d479d021dff8096368a62c32e\",\"track_cid\":\"baeaaaiqsearpe7qnxwmoutcxgdxpuxxpftlyomlcfsn2h4mbjm4arbv2a3rho\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebdtaev2l7fvluue5sjrnr2uc6mquwqalqv2l6wejplukawlwhnog\",\"orig_filename\":\"think_twice_128_fm_mastered.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":997474651,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebvupz5mojk5m7e7ggmevf5wtctsintj6efcu55my2mhjjmedmytc\"}}",
    "nonce": "0x251c380da2c1f8fcba94d39447c2ecbe0f8686360f2a901faf9484c9a4f78a9b",
    "signature": "0xb856e2d4aa5d478ff61df9bc8567752ab86b804563103d10e14f05e6b6bbf8cd147966748a397ff04f0c6ba7f02249a77d1aa95a7cf00b5131e6889dab2e78621b",
    "signer": "0x4d3cbdEb60C2DB7C3D2860c107De432bF21a01FA",
    "userId": "997474651"
  }
}