{
  "manageEntity": {
    "action": "Create",
    "entityId": "1738169627",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1738169627,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Amargura\",\"duration\":177,\"audio_upload_id\":\"c1e9c719eb7ecf0898f77bcb25fd3226\",\"track_cid\":\"baeaaaiqsed3unaxbfwpfvhpvd2nmpm47zzhq7e7afiebvjtbkna73vpoackdk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebq3kgijeq2aubcqp5t7k7fm53ch2bklcl7v4cb5can53x75sdque\",\"orig_filename\":\"02 Amargura.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":332599791,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedka6f3fwez7hit47tox6anziteyaslrsiyv3krwptttzmaw7ab3c\"}}",
    "nonce": "0x8a424249d840826af8cb06c0d6ad717c4724a5992c4e0afb109079a0312224a9",
    "signature": "0xc8b838e8b024fdbbd3bd2c2210b224ac10dc9f11e4a5920b3899d3ec20401896168db8541f6b5f0e616ca345502e013df46b4a56437e0b1338e7a7afcf2ac1521c",
    "signer": "0xbA0158bC98bfcd8D47f1ff0eC67bE72A83C479FA",
    "userId": "332599791"
  }
}