{
  "manageEntity": {
    "action": "Update",
    "entityId": "568191419",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraf5livqnk7sourkdt4lkhajhbbz2scxescrhm5dcuzeopaubgxlia\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":216659666},{\"type\":\"playlist\",\"playlist_id\":761353253},{\"type\":\"playlist\",\"playlist_id\":1462978837},{\"type\":\"playlist\",\"playlist_id\":1646560585},{\"type\":\"playlist\",\"playlist_id\":556699012},{\"type\":\"playlist\",\"playlist_id\":56353629}]}}}",
    "nonce": "0xfd159cbf5590cf3ca198d7db2c50f9e99d524ea0e60b7f5f302a7d6f54f0b300",
    "signature": "0x3eab4370a5ced69dff72705a5c1d554ebba8355179fa9ece2b5a6e63a06ed65f6e7b39ae072630ad4a7a68562b8961dd5819c46c3aa3df9498bab7085188f76e1b",
    "signer": "0x984F58cD45410ADBceCA6A588E25A7D5E409d3AB",
    "userId": "568191419"
  }
}