{
  "manageEntity": {
    "action": "Update",
    "entityId": "820705315",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoawuvpza2vakwqtlzgx3xrmq4tg6zqmrdd3e6fhy2lofa7elzmza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":328653074},{\"type\":\"playlist\",\"playlist_id\":163009564},{\"type\":\"playlist\",\"playlist_id\":1811645243}]}}}",
    "nonce": "0xcbaa7205d69d9242e8ec180b38b0fcbb26cd810a016ecbf138baa3299ee58a52",
    "signature": "0x7c20aee4b230518eee7e003b33080d02b9fe35d1d8585f2087d1d46959c4fdfe4884fe63de1c32c60b440787e8188d4cb1c09d55bbd660801cadc348584308cd1b",
    "signer": "0x3a6d9Afe6CDd1C057eD5C1A8d504E6F956675D35",
    "userId": "820705315"
  }
}