{
  "manageEntity": {
    "action": "Update",
    "entityId": "962203192",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoz2xl2p5r4n44zo6vuea4fvutp4e6gcgkyc6owsikluhhqwltjyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1070609463}]}}}",
    "nonce": "0xff97d70198adb370dc5bdddc5dac71e0f11218ea998bf92a3ea686ff6b918c38",
    "signature": "0xabb863d9b6b5601dbcc2b4ad33de44bd131105abe9358bbfed48edef36a8ed6770aed076e9ad19f49f42cc8df393bf3f13650378ccb99fffb59397d4eb9116921b",
    "signer": "0xC904b74a04E95F05A4CEC153C71EF75FdFFcD5CF",
    "userId": "962203192"
  }
}