{
  "manageEntity": {
    "action": "Update",
    "entityId": "1064521",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1064521,\"owner_id\":1410824,\"description\":\"A gentle and emotional piece that evokes feelings of nostalgia and warmth.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Soundtrack\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2022-07-25T11:55:20.000Z\",\"tags\":\"emotional,gentle,warm,serene,calm,tranquil,soothing,beautiful,sentimental,nostalgic\",\"title\":\"夕暮れに思いを馳せて【温かい, 郷愁】\",\"duration\":76,\"track_cid\":\"QmeVWmX6ZVfojHrZgwGDSRut21QvdXPFuKtjGVGwiRX4W4\",\"preview_cid\":\"\",\"orig_file_cid\":\"QmeVWmX6ZVfojHrZgwGDSRut21QvdXPFuKtjGVGwiRX4W4\",\"orig_filename\":\"夕暮れに思いを馳せて【温かい, 郷愁】 - [Kobat].mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":135.9,\"is_custom_bpm\":false,\"musical_key\":\"E major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x80c183fdf1e1a5d36692da76d74994fc6576f6672b1b27ebddb373317ea87bf2",
    "signature": "0xc1b4f57fc2e6472c838cba58b6ea2ab41913599c608665aa6db53e47de805c325d7479ea34a19e64c8772f0d523c4c2a77bc7e35a5eee906f40b91441699402b1c",
    "signer": "0xAD0B09BdF8B3a454FD74a059f5742013AAa11cb5",
    "userId": "1410824"
  }
}