{
  "manageEntity": {
    "action": "Create",
    "entityId": "753765340",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":753765340,\"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\":\"2026-04-25T11:18:56.000Z\",\"title\":\"Lion (Epic Mix)\",\"duration\":164,\"audio_upload_id\":\"928c92c0e175f3b03d54a193e501bd0a\",\"track_cid\":\"baeaaaiqseckh6hofeoup3rtj7ji4mpsavgboj7zwtcjj4xujmif3w3j7tul7c\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec26yhqr3vbiehayddegoxv2bvhutcisxtkkjgvfo6zravgsdyh3k\",\"orig_filename\":\"Lion (Epic Mix).mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":133,\"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\":\"baeaaaiqsecn63ncodegnxxlalski7dabnuhiapuljx4gk7nya6dk3dhb2ahzm\"}}",
    "nonce": "0x13c39d4b30c11636597c9b56a22cf74b3cc458914c5c70875d06db7777706019",
    "signature": "0x10f6370778e972aaf2c47c6188f56e213fcb00b78287e079fea42ca6e937c00c57b1b1d4233a2ca1769749fc0a2abc789f756c2415b798dd029d636a20f97a0c1c",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}