{
  "manageEntity": {
    "action": "Create",
    "entityId": "573975837",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":573975837,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental Trance Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Rowdy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Skooma Rave\",\"duration\":294,\"audio_upload_id\":\"7f3d61817e658d74a1a4f165a45140ae\",\"track_cid\":\"baeaaaiqsedsuyrx75dqqqfeyw2k2zcsfwb5mbed7ge6jivufs3t7q35lmjjeg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseake4n6b4ixvs5povfgxc5py7mmqcpuxszfsttwu3fcxg5n34owzi\",\"orig_filename\":\"DN_Skooma_Rave.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":138,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":804998937,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecme7tqq4gby427jm5mvwcbxajlnrqf3dbp2r7xmbq3jbnwwsjcm2\"}}",
    "nonce": "0x70c88b66a2678158313648c819357117b558353792630bb0d00e6a46dddfacdb",
    "signature": "0x972e285461a268e0a0cb9210ec75227c064663ea772c47c7c7a230234647ce716d878f22b3118a961d860bbddeae7ce82b9e7ea10aeed5b8fd9d97d2b713efaf1c",
    "signer": "0x5e3fdAFBE653055B81AF1B45D42a74E55D7CCf62",
    "userId": "804998937"
  }
}