{
  "manageEntity": {
    "action": "Create",
    "entityId": "670093231",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":670093231,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap, R\u0026B/Soul, Neosoul\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Serious\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"feelings?\",\"duration\":233,\"audio_upload_id\":\"d175c4d68430d28fba0983443e6ab6d0\",\"track_cid\":\"baeaaaiqseciw4egr6cwzq76772c67xsv32sp3nhaly2xlq65jygzj3pp75h6o\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseacrll4sfcs6kj6qnctjbuxo6oodpkc2o4b5sclpltatipkn7yb3e\",\"orig_filename\":\"Heartache v2.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":108,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":8449787,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedtqjlduzehdazxdgdwamvlee5lfbtytfs3kypsgz3uvvuxnsdvvk\"}}",
    "nonce": "0x3abeb2cf41c4f5f17bca080e182b206cda8980cc2611f32ac7ba29e5bcbd73fd",
    "signature": "0xc8435c4fd2bf572fd24df55edc7088a72f6b39fd3c4bcdf8c99a9d9c2bc90ba26ca4ead586b4dabc67012ba819720cb1fe1e44fe199c40fd0188ef3b9bc3d3201c",
    "signer": "0x66493A2BC6f44f712d1A01F69d3bDB49f1c36566",
    "userId": "8449787"
  }
}