{
  "manageEntity": {
    "action": "Create",
    "entityId": "1439229062",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1439229062,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"kpop,Pop,Rack,Elktronik\",\"title\":\"One Last Night  \",\"duration\":174,\"audio_upload_id\":\"48f65bd0567711fb93c3f1f010a351a7\",\"track_cid\":\"baeaaaiqsed6cvr3w6zt2sdbvv2nadllp644akjuzgs3cxpwdbsgdqg5vnd7sq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec6hdk3vukyqhkf4b47r3rnw4m45m5wujakvbfxrnt4jyxfmxhmuw\",\"orig_filename\":\"One Last Night  2.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":103,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":832058678,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb2q6tkirt3dpgmzl4ebfjblqvg5qr3ziw2qjl6aurjdzjwr6323m\"}}",
    "nonce": "0x4da9ba33c4e9eefd90d01001a181785e3a5daef92116572fe6f031ac5a2acc93",
    "signature": "0x7ed80d0d4dcd5d423eb496484229600b69e0a3436ac1e9af5301a8a34468b9ea46f218fe1a8f84829fc3536729ee369fbab047e3cc539b08e245f43c1ba2ce411b",
    "signer": "0xaBca4973b8911Fb110a95E6e00e5BBFBCa671473",
    "userId": "832058678"
  }
}