{
  "manageEntity": {
    "action": "Create",
    "entityId": "1531961134",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1531961134,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Empowering\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"punk remix\",\"duration\":95,\"audio_upload_id\":\"b0c1b653dca53052a6344e9c87fe19ae\",\"track_cid\":\"baeaaaiqsebjc4ykdrhj5dxbflzkjjxwtejgn6zkqyotehhd3blomsn4vvilsc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecpubzm3kkfmxq4onitnri47wxxqg75uwmwpv6iv2ezluv4gd7jpw\",\"orig_filename\":\"punk remix.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":83,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":842595758,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaunensmmarhlqmqyy2knikfelu6aldxsotm2ajeyuvguxpctjxwm\"}}",
    "nonce": "0x355690a1a575551ee69399912903c62b59443e41a11e1a071eeeff8b27b3df6c",
    "signature": "0x912e74e51945a0625413df614cb70829a0cbbd5b35750af094ff5ca0ed9d1f44340776d2cfacafa017c7c2bde9a7463f571dcc4883b849f371c2fc078e8df21b1c",
    "signer": "0xe1A52D940ed80CE8E7ac7cA37B96F6F07Eec5245",
    "userId": "842595758"
  }
}