{
  "manageEntity": {
    "action": "Create",
    "entityId": "595934775",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":595934775,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Dubstep\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"GO\",\"duration\":205,\"audio_upload_id\":\"a3530c44f4eeaf746d4e7476a456cfe6\",\"track_cid\":\"baeaaaiqsecbcgjx6xhnu6eln3pm4jrp273c6kdklxud63r5ahd7ohfnfrzvow\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsectw2fova6dmybls4uozbuir3oyhbnunti4qjeyjixpksb3kr7boe\",\"orig_filename\":\"GO.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":556395670,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseco3gq5ol3uofdj6q4ctogvpj3ti6oez73v7poj5wsnb4peeahnxi\"}}",
    "nonce": "0xf3bbd6470094308b1047f0243d984579fbddc932151d2b437b1210bd4bce25cc",
    "signature": "0xdcb16d6ddaaf0e068b1646b6b17c964c6fb29b845b6bd6012f8d39406124ffe2596e758434f524602ff1a1d8ee00c57eb067ee48b0c786256aaed00134ff00701c",
    "signer": "0x2aa9667165532C783096e51f5dBF871D96c1cF7C",
    "userId": "556395670"
  }
}