{
  "manageEntity": {
    "action": "Update",
    "entityId": "10773979",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":10773979,\"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\":\"All rights reserved\",\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Twenty One Pilots/Wiz Khalifa - Holding Black to Yellow (Mashup)\",\"duration\":246,\"audio_upload_id\":\"3cdca38672477a4775a49cdbb54da8e1\",\"track_cid\":\"baeaaaiqsebcu3eb4f7xikwm6fmmhqkf4bdybkz66e7mwfviof4wfk5cdc66jk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea7jmwx6mn2a2yhbmecvhwev2iz752ctsk3pbkdk3fq22fbal36vg\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":109,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":191921,\"cover_art_sizes\":\"01KXG9VG27S1FJ2SMSV4ZXZG18\"}}",
    "nonce": "0x0d4aad7b3c2fa1746c06a295c9e0ed8bb0286770060956631ad23561b905b09b",
    "signature": "0x96294a0bf3689e92dc52a99ea72fb994126bde75e3d780b307ca4bebda8fd38f14b4e26ed95244246e4db28c767f7b551380dd0f5d09f4cf0f07113eac914e691b",
    "signer": "0x759f7BcE3999ADFc547e6fabd5D729Dd8C8749E6",
    "userId": "191921"
  }
}