{
  "manageEntity": {
    "action": "Create",
    "entityId": "252519522",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":252519522,\"description\":\"The Witch And The Circular City\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"thewitchandthecircularcit\",\"title\":\"The Witch And The Circular City\",\"duration\":3450,\"audio_upload_id\":\"b8655342921ab6accb0eb0a71b59b179\",\"track_cid\":\"baeaaaiqsebko5iefggoqthrpd6eg7c3g5pnkpn6zdpeoy5ewi5h3ebiuentem\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecatiz2gbivd544eflogwdq2pj3opfl2w5hjxmz22wu6kg2r6msj2\",\"orig_filename\":\"Project 5.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":77214,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebj6ndf3uicug3rkrft7blajc6ekipe7c5vitljuh43sos4zwhrcm\"}}",
    "nonce": "0xa5ec2c4676cb85fdc9836ddcc049b5cdef4e7e5db9192c2617515ec0dfe8496f",
    "signature": "0xb2b5198767ac3384c2c67e2025fa8e9e335621ef4cb6a025c611cb595154f67b5e38f918c4d9d44c699dc86c762f2fd479063b3606bcc604cf121f495ae7a0851b",
    "signer": "0x2b56cE85D059d72d082a4C7CAd5a751e00427E2e",
    "userId": "77214"
  }
}