{
  "manageEntity": {
    "action": "Update",
    "entityId": "1961738584",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1961738584,\"owner_id\":45970,\"description\":\"work in progress\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Stirring\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2025-05-25T12:12:09.000Z\",\"tags\":\"\",\"title\":\"Shepherd Ballad\",\"duration\":240,\"audio_upload_id\":\"01JW3NPD7FKD1YQA1R4X9AAJ6H\",\"track_cid\":\"baeaaaiqseafhl3ypovlgr65kykqxbixu4b3iptsjtgdxr2ubpa5sg3tofukke\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseagzf4ni4iyiixaamhfhggvtba526v5k6zrt3xyiyvh7dgd3uhzba\",\"orig_filename\":\"Sheperd Ballad(128bpm_key).mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":141,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x2df3e41d63b4023605464208c39b1227f78bb147fa2b9daa9559da719e39b5d0",
    "signature": "0xb34f403ba22fd6393805252b04da0efeb81238ca3ca9659c7c34d31ea110d9274a02428f0da785b39d65eef509a8a444a96bc59d3e2db3f1e4ef221ba4490d4e1c",
    "signer": "0x06e4E068e92e3033AB2dcaf7E86aeCaD6eDcE719",
    "userId": "45970"
  }
}