{
  "manageEntity": {
    "action": "Create",
    "entityId": "1962183895",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1962183895,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Upbeat\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Newjackswing,Smoothgangsta,Pacoxbain,Threethirteenent\",\"title\":\"smooth gangaster ( New Jack Swing Remix)\",\"duration\":72,\"audio_upload_id\":\"e17948161f7099c5a33ff5d3d5edc616\",\"track_cid\":\"baeaaaiqsea2bymr5fagcas3wahtj2xmurukvm76sj2miyqxrhapq2tjawcfrg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseak7cmds74eonia5jgq3ivxbv6xbv3dm7tmdcgaofogllyeilt53e\",\"orig_filename\":\"smooth gangaster ( New Jack Swing Remix).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":89,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":196831756,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedamy37oigcm65yxvmo275xtrvcrcilvttgekaea5yfd2tk6xfni2\"}}",
    "nonce": "0x471ae84094deb16901e6a9d473e3650547846af51c45ab04c72ce57d680d4160",
    "signature": "0x769719a379c437f0856d81c12918bbc6c048a068abe76464f7daa0f3a30ec97a42752b9c6deb86d5fa50c9ffb5e2b9e4a91194e2152be44024df476b1f8ed13c1b",
    "signer": "0xA2C7cDCb14C64ae30bb5921F74A980F146388AC1",
    "userId": "196831756"
  }
}