{
  "manageEntity": {
    "action": "Create",
    "entityId": "2012481954",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2012481954,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"11. SUPREME LEADER \",\"duration\":184,\"audio_upload_id\":\"2a8dd04b8c405380bcacad9ac5ddc369\",\"track_cid\":\"baeaaaiqsec3rmvjffyzq5siopjwkohbddcmtqa6sz3uvgt5ljnncfxmprsbcy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedu5kthjr3krvnic4bk5vvlyszqme37vxbioddjta4m5q3mmzqsrw\",\"orig_filename\":\"11. SUPREME LEADER (MST LM)_01.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":74,\"is_custom_bpm\":false,\"musical_key\":\"B major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":825490268,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedao64g6zypnk5xzhom55oybilw3wnym7h2tcjbrby2b2gsckbzga\"}}",
    "nonce": "0x7cf78ff7055ba2de16211755fa3e74ccbd0e0abe127283ec7eda79b3a20ceba6",
    "signature": "0x6903c41f23519be84b50dad1194c6404fd1b9b3dfea0a62f40892eb12795adeb1986948fc5fbc4d83cae7fcba260bd9c629b0de4f7144aaac6397c68c8e9762e1b",
    "signer": "0x6E85e334d2DC03861170C322113a9e33178DDbE9",
    "userId": "825490268"
  }
}