{
  "manageEntity": {
    "action": "Create",
    "entityId": "1382256832",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1382256832,\"description\":\"Electronic music from the cold. S.N.E.G manufacturer.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Melancholy, Cool, Peaceful\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Tundra\",\"duration\":325,\"audio_upload_id\":\"233e7d0ecff804bc24b7cf30e6d80647\",\"track_cid\":\"baeaaaiqseb4agwmeldynhm5jfg5qnnqsizrqo5ifmb4jqc5si5hnfcsw5sa7i\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaxqzld4swjnwclvpmoswlzophuas3zcejb3nm2pnmwjb5vzrfvvw\",\"orig_filename\":\"Tundra.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":71569007,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseatdk4rkslsl53j6r5b7vsuw4pvimgpsritpzes3buzukmm4yl62i\"}}",
    "nonce": "0x5a92c7e6ddf4c92fd2fa066a6b232d2a80344c896720b464cde3763d1243ad2b",
    "signature": "0x22d122803373cd47755cec7237ec613a282e02c4fd75f0abd38dd046be0589fb43c76b11c989c5417d65dbeae59d2f9f401d063196737622cde0e17b432b86cd1b",
    "signer": "0x568426a5D555ADe94657d547B2Df4a4dc1f0C014",
    "userId": "71569007"
  }
}