{
  "manageEntity": {
    "action": "Create",
    "entityId": "194948611",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":194948611,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-30T12:57:13.000Z\",\"title\":\"Roll (Melody Mix)\",\"duration\":162,\"audio_upload_id\":\"d8b9f6c3d08e38d3e9d3796dfa5e2d7c\",\"track_cid\":\"baeaaaiqseaijnqgqd7r4atx6koc52d5eify4vfj7ixamoqdiqhb7ivrcto3ns\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb6oieau3j57bwrhh5fzdgrnekx2xuctudhilo7bxv5ivn727wv3y\",\"orig_filename\":\"Roll (Melody Mix).mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":152,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecoyrkb7yyvnskcrlxjauqlm2pgahzsovroe2vctz5mcmgc7gx6ki\"}}",
    "nonce": "0x5a3a6b3dda6b2c3a2cb26f0edce492d20bdb889c40bac9ce0bb601d183fb447b",
    "signature": "0x982ddde030ac42b7f786aa826fa235b797379bb22d68fcff14c577a9ea032f961e3fe69ab7a5f5aed7903a502441702d7d466163bf9a5319b3be7846eeef5d181b",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}