{
  "manageEntity": {
    "action": "Create",
    "entityId": "1464828989",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1464828989,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Black Pin\",\"duration\":175,\"audio_upload_id\":\"d3b03fbcb0d55990ddaef5a6ef0a9308\",\"track_cid\":\"baeaaaiqsecum42vtb3ws2e6obvdzm5lmdebybrutt55d6dipodmizvrsgtf7m\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseawbwfsvuthjka4vdq5jv76wne6g5qi7zy6h3wltstpqtmh3hofsi\",\"orig_filename\":\"BLACK PIN SIGNAL (1) (1).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":133,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":509716406,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebv7wu35y33m56g45q64smgevcsqzrp75lt2h34taedlluobz5fyg\"}}",
    "nonce": "0x0fe4b45f4c2de1e3bae30e3121aafccb759be72441b42add8c6b6254a4360583",
    "signature": "0x8bb0d3297ede70caf22bde6d78cc6731fdb4d678ce5e71c0be0367d0f8a2198d26f4e733ee8d38ddf11723306827801dfe88ecf1a6bcfd0c39308e25fd14e0111b",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}