{
  "manageEntity": {
    "action": "Update",
    "entityId": "80009",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":80009,\"owner_id\":22193,\"description\":\"a pure guitar outline.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Folk\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2020-07-19T17:45:50.000Z\",\"tags\":\"guitar,samples,mix,fantasy,folk,english,unplugged,wistful,fingerstyle,ukfolk\",\"title\":\"Pattern of Gold\",\"duration\":116,\"track_cid\":\"QmVsa3nooNTwhhXjeZR6CzHsgFLnZAwxjeYPLk2Wb2ZZVx\",\"preview_cid\":\"\",\"orig_file_cid\":\"QmVsa3nooNTwhhXjeZR6CzHsgFLnZAwxjeYPLk2Wb2ZZVx\",\"orig_filename\":\"Pattern of Gold - [Embertime].mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":132.4,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x23c426cc886ac6d4ca7769bea8e2307bb508ed961dfabca731cac55624207317",
    "signature": "0xf3d020ed85c617eff3c5719b1c29f0191cb0a17e5dd3fa8a4bd6dda1abd7e93f283fee5eebb8b56badc52198a7d93abb80ba2567dc20f326c71850c3d230ca1a1b",
    "signer": "0x1d99b1D22cD500D165B1A1CF625E3528a447A82B",
    "userId": "22193"
  }
}