{
  "manageEntity": {
    "action": "Create",
    "entityId": "584463246",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":584463246,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Folk\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Serious\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"PAUVRE MER\",\"duration\":327,\"audio_upload_id\":\"d37620fb8ce58752eafb235f0efa5174\",\"track_cid\":\"baeaaaiqseajnnlgabgmh4vcdadnpkfo3yz2puao5724qrved3wlnajkv2vlve\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecinurqpwqdxw55w5ma474nbtgfyln2uhj6r5hwunromuvgboqf4g\",\"orig_filename\":\"PAUVRE MER.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":108925,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea45asbwsswcp33gex2cpcmhsce5rmjfyzvx7tsuo2rmso6s3w6h6\"}}",
    "nonce": "0x00efbfeab4b35b10737226f00c170e2271bb780ceb5181e2dc0789584b37b75a",
    "signature": "0xed0d23f1c0a0ffd83bf03c6a11d6e258c1e9fae22f78ccdd7552aebdd6e8d2e4431d6e5ca235788ac97bff06c6a8c67cc7e0e6204575a37fa820e04e61f491be1b",
    "signer": "0x733DdB448C9e02920285b22Fa33a8028888255e3",
    "userId": "108925"
  }
}