{
  "manageEntity": {
    "action": "Update",
    "entityId": "131462251",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":131462251,\"owner_id\":154520,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":\"QZHNC2156211\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"Attribution-NonCommercial-ShareAlike CC BY-NC-SA\",\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2020-01-18T05:00:00.000Z\",\"tags\":\"witchhouse,wave,beats,trap,dark,darkwave\",\"title\":\"Sporez x Wishy Washy - Sink or Swim\",\"duration\":300,\"audio_upload_id\":\"e119c38bfe0f3d41ce9a9d4b7ada01c8\",\"track_cid\":\"baeaaaiqsebruzohlqs3qbdowzvavidxbxracevanyq72jsdywbybnoowhbrvo\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecgnxsmbzp2iyocy7n6p42g6n5vjgnvhh6dogrfvsdvk3wvbbmu2e\",\"orig_filename\":\"Sink or Swim.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"E flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x697c3624c2587ca1bb00412cb8a00d4523ce61f5bda443f92becee42a6204e15",
    "signature": "0x909a80022c96a402ce26733459f57a81d64f31b8cdd83d3774c3ebede2e4c3325b755f59c92f3fe5b980e97a44fe546e14dd3fcb8ded6d1325883475556ee74f1c",
    "signer": "0x36731fF6550065F12E9035E4a96956aeC85B9D5a",
    "userId": "154520"
  }
}