{
  "manageEntity": {
    "action": "Update",
    "entityId": "644858",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":644858,\"owner_id\":346285,\"description\":\"[Prod by Keshkoon]\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Empowering\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2021-11-29T02:50:00.000Z\",\"tags\":\"rap,hiphop,dj,rapmusic\",\"title\":\"IntroNational\",\"duration\":105,\"track_cid\":\"QmQzovbYqHSBZRLdeVpCX7atmzqJP9ZagfLpcinpR3bxQP\",\"preview_cid\":\"\",\"orig_file_cid\":\"QmQzovbYqHSBZRLdeVpCX7atmzqJP9ZagfLpcinpR3bxQP\",\"orig_filename\":\"01. IntroNational [Prod by Keshkoon] - [Dj Keshkoon].mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":164.2,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xbdc2bb45d5878cf8756186223261c9c9f9ac949589d1b13d2dbb9d13b36ccc90",
    "signature": "0xef0e7d5d7589deee6932cdf4e15558c3962053381558e72db1cb148bc0a6328473de52d1d7ff29d7d1487adcdda5f1f0ceee29d0655dce0fe97c7e9a0840e18e1c",
    "signer": "0xfa7A44BA61CD147719cb7b45f725F492c63838A0",
    "userId": "346285"
  }
}