{
  "manageEntity": {
    "action": "Create",
    "entityId": "1317780309",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1317780309,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"CD1: 4 - Subterranean\",\"duration\":356,\"audio_upload_id\":\"f04f5ae6f7045ed9c54563aacfa49191\",\"track_cid\":\"baeaaaiqsebi2vroqexurbhrrk5yh4hcafycxk2yhwycb457i5bt4x65ncwr46\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecxyiayx3lkbrais2iqcnhs2bbv7xnwd4tqzx4m34peuu53wbfxe2\",\"orig_filename\":\"4 - Subterranean.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":131,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":3855266,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaalsisgry3rgiyzuxussqvpn5ogqarfgq3d6uxefv7x6vu2w7nuk\"}}",
    "nonce": "0x371f7bd84ffd3b9032edeb0461a22a93b3ef36296063a4bd9a38f750a5edac9e",
    "signature": "0x7beaf0d21935ab3fc01d8624e9771a8d990b2cb14073fa868b45a32b0019c80651a4ce82f79081b5a47b63a7dc236ed3b7dfde9fe947a17b2f10a85bfe6495e81b",
    "signer": "0x89695F6d330638f9896182beE7793e33f422F537",
    "userId": "3855266"
  }
}