{
  "manageEntity": {
    "action": "Create",
    "entityId": "748325374",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":748325374,\"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\":\"2026-04-23T12:47:26.000Z\",\"title\":\"Growing (Pop Mix)\",\"duration\":188,\"audio_upload_id\":\"b5677e1658a7a297f4ec830e015fd743\",\"track_cid\":\"baeaaaiqsedvlzpmwhmujz4falbwqp44hcwgxqm6nnunrkvsbf2fp4tlnzjgty\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb5akjbsiryx2azbqowrt7swr4gpwnevewj4feptj566irraoe6nq\",\"orig_filename\":\"Growing (Pop Mix).wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":129,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaj3ck2wbrfll4loltfo6z2dregyjnecdjzhsyhnkwyvsem362hds\"}}",
    "nonce": "0xeaf404ddc65e56e4e22eddc62b458cfc9627dd49377ba19810e83638c3d91f62",
    "signature": "0xde5c2ea76874b21d9a5a704f09743a3e9d08d10afd18708efdc3d71c3a7a7c4815e432b54ce2cc944d28e3caf47141a67eb514e7cf0d73ca780b0b227d541dba1c",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}