{
  "manageEntity": {
    "action": "Create",
    "entityId": "1436163395",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1436163395,\"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_232_The Torte and the Poem (蛋糕與詩篇 Torttu ja runo) [中文]\",\"duration\":312,\"audio_upload_id\":\"0b4eba69fd3a955d8c257212e95ec384\",\"track_cid\":\"baeaaaiqseaergohqasiqqduxyqua2cyarflfiob7vmaznapmjt2643nojm5bu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseapwynhvmpn7gaoy4jvctqvd5qaqzlbr7v4oruuh7bro44esh637m\",\"orig_filename\":\"CM_232_The Torte and the Poem (蛋糕與詩篇 Torttu ja runo) [中文].WAV\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"E flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":610888861,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedzmfxiobsjtsmsniivoniqq22kilxxaz7irfgce43tkkwfzujm4s\"}}",
    "nonce": "0x1f55f562e944994efc5d33bbcb93fa1cb639ddc3077e790d55c427dc0a755a56",
    "signature": "0x69d2d12d05e881ec46c00b6ab9084a205af3fe40f1d76783d3889797c5ec3ba17db38a57176f5a33906500a852d893c688726b48dab82d905ff1784a2e2986791c",
    "signer": "0xf5BfE006B204417a4a7D6B64C2336EEE309eCc17",
    "userId": "610888861"
  }
}