{
  "manageEntity": {
    "action": "Create",
    "entityId": "1752268779",
    "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\":\"KICK\",\"parent_track_id\":634813281},\"title\":\"01 v9 Kick\",\"duration\":314,\"audio_upload_id\":\"01KNGWQVEG5WRRP1D7G2QP9SF1\",\"track_cid\":\"baeaaaiqsed2445to6r537c5c3eh6omfxcvkrwz6inn5dh73eatucqacy4rmca\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebwcwrti6twgbqui54zomj56tk7l4wu7gojntkrdp4mxm6gdwnctm\",\"orig_filename\":\"01 v9 Kick.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\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":583021207,\"track_segments\":[],\"audio_analysis_error_count\":0}}",
    "nonce": "0x1391025b64dfe70a42acfdce42c8ccd7d2336ba2e110e6f500a01444333d5f1b",
    "signature": "0x0aef6247652f58690982928d16221942391eda6d252df19669beda966c745f057631b1dec8ea383b6850f48e700795a6b7a7d3eed660f3debf43ad966b332d531b",
    "signer": "0x4f4C18220D065b5195F09E23993B70Faa751F0C0",
    "userId": "583021207"
  }
}