{
  "manageEntity": {
    "action": "Create",
    "entityId": "687634471",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":687634471,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"chinese,japanese,swordstyledancemusic,nc,nezukichan,free,anime,gaming,traditional,wuxian\",\"title\":\"Sword Style Dance Music Vol.01 | 04. Dynasty War\",\"duration\":208,\"audio_upload_id\":\"ee95263a5b3b3e24fd4ad15dc1e419cd\",\"track_cid\":\"baeaaaiqsedcmga2nolw7ntd2k47uhvc3xw6bzwtcnkra3i5uhetdh3qvcwtei\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseblovhztxtcbmgcqqkvke4s4p6b2bzpi4lkoan62uyyskla54uv7e\",\"orig_filename\":\"Epic Chinese_Japan Music Album _ _ Sword Style Dance Music _ _ 04. Dynasty War _.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":145,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":580956583,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb3d2ctqydo6pguki5v46kpfwoghggaru4oa2jswqcm5ad7buf2lo\"}}",
    "nonce": "0x683232703ab77af4d677365912d58e076862ef475bde77237c60a9235fc050f6",
    "signature": "0x297644695a28cbf4caf2eb66eb6904599ee91e8df096f1ee8ae48c9b64b4c7725f6629a19e511e1962d6955738d732e40c711669fc633b81048064dd2b83888a1c",
    "signer": "0xd7A3a82456E4D9596Dc3DB0EB77606347Ea7C448",
    "userId": "580956583"
  }
}