{
  "manageEntity": {
    "action": "Create",
    "entityId": "208700793",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":208700793,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"CM_167_Only a Little Apart (只隔了一點點)\",\"duration\":187,\"audio_upload_id\":\"e14ee32a88bde5401adf0f2d0e1d5c24\",\"track_cid\":\"baeaaaiqsed3jyh6bko2pfhie4he7g5fci3gz2ywaws72phjyxgnipoycmweni\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedlg6olgrs5otpr45jupzafmj6yj7cq6wm55qvcwtmz35pck7eflg\",\"orig_filename\":\"CM_167_Only a Little Apart (只隔了一點點).WAV\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":98,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":610888861,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseccsaggvaemtwpidor6ltcwloqosugo24mhbyzh5hfdiycf2qjvz6\"}}",
    "nonce": "0xc5cb316b293acc0b9c936cb6fa34ac71750b9980ca3d282be472f21df35c760d",
    "signature": "0x09530580a56d84d7b4b7f9a4541996c2a6d3289d3a01febc5f99d8b87e0292903068436e8e128fcc7bef41d7e1fee816c8e75c6bbedcb358d979770d300cb3d81b",
    "signer": "0xf5BfE006B204417a4a7D6B64C2336EEE309eCc17",
    "userId": "610888861"
  }
}