{
  "manageEntity": {
    "action": "Create",
    "entityId": "691131287",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":691131287,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Siren\",\"duration\":214,\"audio_upload_id\":\"0709bfa363b7419f736b94e3f2e6905a\",\"track_cid\":\"baeaaaiqsebiix77x3gu7q55ub43u4j3zdwm6nsksvbkgrp4ulrzwvwxs5dnxs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecr4646skxeeecierf62l6ircl6sudkmpzrmdcbplhgdlvmseins4\",\"orig_filename\":\"Siren.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":102,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":634088965,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsean6agfbja2rsasbysm6oq7eolnqodrdjnppm5vhwa4rrkz5ouutq\"}}",
    "nonce": "0x108782b75d15bfa2e4df79e935118cc73afb5032736164befaf1f798745f0fc6",
    "signature": "0x9a88efefc9f7e076f3d6bd9060239919eace9d89bfa1665969c7ebb2cab7692232103380bfe0efc7dfbc6b9c611ad59eaf47fc4ca527eb7c143c524afb5a27831b",
    "signer": "0xea6CAA88D7B8ac5d7Cb150Fc84a2C28b81021f3C",
    "userId": "634088965"
  }
}