{
  "manageEntity": {
    "action": "Create",
    "entityId": "343847144",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":343847144,\"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,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"edm,dance,techno\",\"title\":\"Tom Vibez - It's Not Your Prince\",\"duration\":161,\"audio_upload_id\":\"53f36e55731bf67f3c6a03eaa3876825\",\"track_cid\":\"baeaaaiqsebtwa7hl5wmdfcfvdscmhudfquzu7vclpopydxfzqeqx7lyoxmtzy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec4xxw2ksjvw6c2q37ts5xczbaao3fjzxgq7v76n4bzk7lsiwmyl6\",\"orig_filename\":\"Tom Vibez - It's Not Your Prince.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":555663956,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebkzk6il5chjmbv5gph3viscsjj22gxn2bgb5xvlju7wi5tdwwamc\"}}",
    "nonce": "0x0a47cf0d9a8deb0205e1412e85b00072e9b04e6202f64e1e3269e9a0e2dc2acf",
    "signature": "0x08aaccb2f5f48046812864938baf9bf71be8c6e270ebee6913ba9199f0b169f12454beb45e4f919888ddb7cdca5f61d4cd39cd0ef6431c544d16a7c22c6cf5fe1b",
    "signer": "0xba39E57aa62E649F2b3250E2Cf1456c117127a40",
    "userId": "555663956"
  }
}