{
  "manageEntity": {
    "action": "Create",
    "entityId": "476898153",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":476898153,\"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\":\"2026-04-22T17:03:58.000Z\",\"title\":\"Hero (Club Mix)\",\"duration\":176,\"audio_upload_id\":\"838d3cfb723a7e254d6781fef0a1669e\",\"track_cid\":\"baeaaaiqsectsymxrezpnn6eyh6uksnj426bxl7tclwjcbrd26ubyqg5ld74x4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedjkdlaagcvqy6bthadjkkol2x7d2m3lsymhmy4mhjxcvswivvy7s\",\"orig_filename\":\"Hero (Club Mix).wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"B major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebs4nt4q2zhqmrledre3f3pi7ufuoy4fku4h5konrgtynnykp3nze\"}}",
    "nonce": "0x21f6ea772a23c35fbacc6177f4823eae420c7f533c3f09a63b1aa5b489bf5b63",
    "signature": "0x356442817006a9bbf3f086533c687630a104ba3e0f0c25be72b42515d3403fbe5d57cb3be7d00c4cb0bff5021b8ab6983eec8c9667205e87e64c6bae34af6a321c",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}