{
  "manageEntity": {
    "action": "Create",
    "entityId": "219714000",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":219714000,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"eternally\",\"duration\":186,\"audio_upload_id\":\"d1ef1bf6bea08b74f7544684f4433fb2\",\"track_cid\":\"baeaaaiqsecybyzyfu4mbmkklde6ptpapbsfacgz75kwyifzymflzjqytysqcs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseduqhpykp3szalsqtd2uissayqoip3bzmmzh42ctsinnic6bmthoc\",\"orig_filename\":\"eternally.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":134,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":4867,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedaafkl6quzvg3uryb6fzd4mpn3p7u5cqu2h3snlsk452dbqtee2e\"}}",
    "nonce": "0xefde7ba90a8562aa558972b4b9203d84464a6c1b897dc297ea8bdcf8506de12c",
    "signature": "0x98f7bc4eb381887f607c5db4c276cacbf25cf8eb63b3f042f7cdda6cc6e243f93a6140dd3032b142d27a0c18a82f8119bb1314f91b1f8e88ad1f36c2fc9835e31c",
    "signer": "0x20a88851C071D0F54F7D09ADC1E7fA4E8320342b",
    "userId": "4867"
  }
}