{
  "manageEntity": {
    "action": "Create",
    "entityId": "90524937",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":90524937,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Queen,Ai\",\"title\":\"04  All Is Energy \",\"duration\":275,\"audio_upload_id\":\"5fffaa51f3d4a6ae20296d98cd06893d\",\"track_cid\":\"baeaaaiqsed6rssg7gkp6sgqxsj3oikhwy7a24qrirsgucqto6yykz36eatqi6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebtog77ax735thh5zq6w6eei4vqdkyako25zpuikshsidg4mzku2m\",\"orig_filename\":\"04  All Is Energy .mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":521349872,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecq2luhqtpantamsinglkwxilfyunjc7fjgepo37p6urqfrvec6u6\"}}",
    "nonce": "0x56c90e7f42eef35c81f7d73338d905ea9b359a09ab594101a7fd5f0fadad9afa",
    "signature": "0x80b5a4a03f5c7b11f5e39715fb35c7dd470c2c459150debb2cb98b9cb5263a85496bf984463cfa8075712c3622083e41590156efebf13ed77111d555ba3ed8741c",
    "signer": "0x7a0Cc6B11985E9A7A2E4D3dfC59bd51b8Ef3Ed03",
    "userId": "521349872"
  }
}