{
  "manageEntity": {
    "action": "Update",
    "entityId": "327500",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":327500,\"owner_id\":12890,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Hardcore\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2012-01-31T12:00:00.000Z\",\"remix_of\":{\"tracks\":[{\"parent_track_id\":325896}]},\"tags\":\"ukhardcore,happyhardcore,hardcore,90s,1990s,playstation,mtvmg2\",\"title\":\"Trancimaga 2012\",\"duration\":252,\"track_cid\":\"QmdtPMYXoNH8PitZ9wL1XCMBd61ajJEBs4t1MHsRHR68W9\",\"preview_cid\":\"\",\"orig_file_cid\":\"QmdtPMYXoNH8PitZ9wL1XCMBd61ajJEBs4t1MHsRHR68W9\",\"orig_filename\":\"Trancimaga 2012 - [Dream of Omnimaga].mp3\",\"cover_art_sizes\":\"baeaaaiqsec23kbg3kniy2buqjyxjfbabvl5cvmrlcyu2smjeokmrz55sovkem\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":172.3,\"is_custom_bpm\":false,\"musical_key\":\"D flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x14de124e7f3ddea0961de1978797967bfcaade5226352210b7c09d3ee039eda0",
    "signature": "0xd4e14f29ebd387d4b678bff6df81a8d7e1f3617c148d8085dadd664235bc286219b74bf11b32b6e4d493f122228146e318d676a3aecd92093a4296bec29f38ac1c",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}