{
  "manageEntity": {
    "action": "Create",
    "entityId": "979638381",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":979638381,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Tenessy / Welza\",\"duration\":185,\"audio_upload_id\":\"83cdbd336ffe03948520d958b3cf708b\",\"track_cid\":\"baeaaaiqsebbp7gcrdqj2d4an5r4dhdnsq4wp3o7badyse4izwzvd4z5pkogaq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebjwzfwy3mozsvi52ijpbqmvanmdjoxeukg3zzsrwzv3klh4bjyxi\",\"orig_filename\":\"☆Tenessy.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":392916338,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedtmcr3wgau4gn5ltbfxmvnhatsiqkmjvbljidyak4a3u4q4u4yso\"}}",
    "nonce": "0x0c4c489fed06df71e742e5ca1762e5458594b7bb770139b2587c3b63d74e9f49",
    "signature": "0x366041aaba914cc0a74de0d754730e68d344f9c461bf3eb4dec394d093b508264be05e46aa383116aa959e8116f6d692c8142e2c7a6812d65bdd9c50aa30c30f1c",
    "signer": "0x654f1b2DCF5eE0f42af2618ba269C1C8f8327BCA",
    "userId": "392916338"
  }
}