{
  "manageEntity": {
    "action": "Create",
    "entityId": "1974544752",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1974544752,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Metal\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Serious\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2025-10-31T07:00:00.000Z\",\"tags\":\"gapless,progressive,concept\",\"title\":\"Drowning\",\"duration\":145,\"audio_upload_id\":\"d58f96452ed68dd4ce668a9028e72908\",\"track_cid\":\"baeaaaiqsecwbgrvvi3ruafx5tncotklieon5cpmzqsxz36xcstqdihypbmcay\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed4gf4ru5io2aqcmxtojmfzyzaerynjim6zbss4p4srim5hnawvhy\",\"orig_filename\":\"16 Drowning (24-bit).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":161998,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb3x5gvmrep3s5nc4bzddoc6ulcxnefhgvtixyedlogwzbirwmo7a\"}}",
    "nonce": "0x77889dd3c1006893ac415e854011512d386e71757d8f0832eb819211dfdcc40b",
    "signature": "0xda6312ca01c9b9cee08f9638cac28d0a92019e126646411f1571c2628ebae8bb279fcb4008d6704d4f648c7f81e8c0a5a7e28b0f2e37f5590f7ca82b6c0ac8811c",
    "signer": "0x630C0aA3D3Aa6F539501712a41d653a1977755cB",
    "userId": "161998"
  }
}