{
  "manageEntity": {
    "action": "Create",
    "entityId": "1468907050",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1468907050,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Midnight Carousel\",\"duration\":256,\"audio_upload_id\":\"01KN5JNG68F5E014B7E4VT159W\",\"track_cid\":\"baeaaaiqsedc2wnageaktx2usjc63mqcnrj47qmfdgcxtdfryr3xrty7czis32\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed62i5uct3qifsq65e5oclnegktww6t6dedfemzhhl7lxj3igute4\",\"orig_filename\":\"Midnight Carousel.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":123,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":831117417,\"track_segments\":[],\"cover_art_sizes\":\"01KN5JNCKH48W5XVSPWPP7FYGQ\",\"audio_analysis_error_count\":0}}",
    "nonce": "0xae76acaba599e50cf93a3c3b82e440a005e956d4a48a6df74a250eb85467a5e6",
    "signature": "0xc94c8d0d89840be2fe8d40d70d600c70d8babd48dd2d59664fdcfa176ebe9d78623b7de4d85d5adb2fa9a8cd9bf13353e3d6efda570f6ca596678e1b7ec782e71c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}