{
  "manageEntity": {
    "action": "Create",
    "entityId": "889610467",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":889610467,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Indie\",\"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\":\"Spider\",\"duration\":155,\"audio_upload_id\":\"acfe6e9d87c1f45ff693dd135b33daa0\",\"track_cid\":\"baeaaaiqsedmn3xehdqmagj3o7yn4as37fxdylgg5b5tny5vbksonrkegnmhry\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseckwdwtsbrdzrzrvysjkhm6o7eqwr5hae6eunzdpprhuu3dtlsznw\",\"orig_filename\":\"Spider.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":41973087,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedo5h5lc5cwcdxolrr3diw4gkvqmydpflns6tkx5z4tqw6j5zdhi6\"}}",
    "nonce": "0x3525f245b1d018a4970392b66ef9ddf4efbef53afc7fc45a53974d41cfc53b36",
    "signature": "0x46b013c1ab57c9af52ff659ff7a85377588d6e9a51d6c649575bf005645f0c616294d3f80ace806bdd64151afb7031251ce49423dae962829d8b89e4dd29a2501b",
    "signer": "0xEd45c55Aa5Ce089947f0276238Fa43C60d404b0B",
    "userId": "41973087"
  }
}