{
  "manageEntity": {
    "action": "Create",
    "entityId": "303233680",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":303233680,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Jazz\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Sophisticated\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"jazz,amapiano,sophistipop,dance,club,lounge,chillout\",\"title\":\"Chill Afternoon\",\"duration\":219,\"audio_upload_id\":\"4a55a28c171566bd9184861c9e1a0182\",\"track_cid\":\"baeaaaiqsect6u3aczyjpxga6cyigadxizhhizels4wxpiwejlp5fsvn3clfbw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed3mgra7vqsxprvmrw7iaktr5xtiukrsjcdszb3lcxnuo6ikatep4\",\"orig_filename\":\"Chill Afternoon.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":115,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":94167,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedzu77ksuhxys66anlfwbucoqzmcj6iojjbk62qukiz6ch7hitw5i\"}}",
    "nonce": "0x8fd04b10528f1ae50f809ffa91359e88f390c75baa4ade22df3891c286f13aad",
    "signature": "0x729d35adfbc63d3e3b06885d98de95e2f008adf3dce408b186eb1ce99460bdcc11e2a1f891232ee1ee14b6993829fa8abb8fbbcebaf4076df9f575943b3588751b",
    "signer": "0x1a76E65C3D1F53eF48fF4cbdb57D26246F833c86",
    "userId": "94167"
  }
}