{
  "manageEntity": {
    "action": "Update",
    "entityId": "771628539",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":771628539,\"owner_id\":340102,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Fiery\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"\\\"GREY AREA\\\" - (INSTRUMENTAL) (PROD. BY KILLAHRTZ)\",\"duration\":201,\"audio_upload_id\":\"df324ff6fad08f50d4bab118aaab7d44\",\"track_cid\":\"baeaaaiqsec3l5cja6mujc3spvtfl2jbsa4f6hae4t2d5yq7ci6so5vjlzbza2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecszboejwb2ywkc4suurhyivbke6ax2jzij2j76c4p5lw5f5odf5y\",\"orig_filename\":\"5. Grey Area (Instrumental) (Prod. By KillaHrtz) (M1).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"A flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xe55118280c986789517a35777bfd93f4e00d0d9c0dddfec23586b421f09d0b6a",
    "signature": "0x466cf64f81ada8cf4b2e364ec01706f9c10ec0ccca4ac6206f74474e648552200c3e25105b9164d2387e733da43238942e91f72381dc2661f8c45aaa3a3218c31c",
    "signer": "0x0387130B850ded16cD99dd16ca2060EC33FAc85A",
    "userId": "340102"
  }
}