{
  "manageEntity": {
    "action": "Update",
    "entityId": "403361045",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":403361045,\"owner_id\":311257477,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-06-05T05:59:11.000Z\",\"title\":\"Shaking Hands\",\"duration\":127,\"audio_upload_id\":\"41151f5cf221155f7abe5659a8c33585\",\"track_cid\":\"baeaaaiqsecpdc3to2sdney7smpo57fzqd6knoc52xgybougpxtqpaykons3pa\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb3xtybucp324aevdtyenomw3yzifbjmpxuwrh6y3zfwxrcxarzia\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":100,\"is_custom_bpm\":false,\"musical_key\":\"E flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x5a05721d55762e276d1924ba278a73fcf6db0f1ca0fc9d944ae767b4648fca9e",
    "signature": "0x426cda3ae8e61c8a81cc827e16258294f8a6f48983478c760daebe91728763f371dc83dbaf9171c2c2f6fbabfc4b7c9d0f8060a141d0497b8a3c86d8d22c4ecc1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}