{
  "manageEntity": {
    "action": "Create",
    "entityId": "72237641",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":72237641,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Nacht Im Block\",\"duration\":132,\"audio_upload_id\":\"ad30f98dea6c4a7f56f68fd30054b1fa\",\"track_cid\":\"baeaaaiqsebx64gkytbknbtm2vxd3iw6i7rsy5iv5g6rxvoocuxjmq6ypcxdvs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedamvzk4gyfj76dghttu5xpuwlnywxgtnhkydh7jntzyoirgwxpu2\",\"orig_filename\":\"Nacht Im Block.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":517504222,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseatzc43xffymc3ul5vkkjlhdyuo2j3men3bqmncrq4vu2z3h4mj5q\"}}",
    "nonce": "0xe2a4df76aae33d6ce8c9109eabdfa29a038e67636e2762844c609da41fc414c3",
    "signature": "0x148190eadaa6f1012ae07b51bdad7c6b687a1e0522b396eddcb067441fa372b25208e53a4d5e7227c2f0a41ffd53727b3128b0d1bb3c32faf9f2f098f912488b1b",
    "signer": "0x38d3B9FAb2cf670906cF7F84FA853F7557B51D99",
    "userId": "517504222"
  }
}