{
  "manageEntity": {
    "action": "Create",
    "entityId": "986843638",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":986843638,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Metal\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"What Doesn't Kill You \",\"duration\":237,\"audio_upload_id\":\"8fc577bb2c19273836bec1309cf9ab08\",\"track_cid\":\"baeaaaiqsecy6lmnlh66ukbf6vmel3y7jm7wdz244cpfkuujjtyabnq4fhbbnk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb7mdeet6brvpliqowx6pxm7gmiy65gua24vat3mh25wqwlwr7pii\",\"orig_filename\":\"eMastered_What Doesn t Kill You (1).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":951995708,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea5bwdr6ejw2sttqaqhz36gnyoqclxx6tjagaewbfo6sysbzfa7si\"}}",
    "nonce": "0x5f6b6ad7e09399504a047825fc4a0d066b77abf37f8bc7bee756ee2dc50302e8",
    "signature": "0xe389cd3f841a4ffbdcc6dfa91a52873b0b80579ad906447549b9e88b4953f8a96e99a7ab96fbf155d6bd30c0ee30d159ae45f0a107c05537f48b404d253056b81c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}