{
  "manageEntity": {
    "action": "Update",
    "entityId": "799062557",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x54d741b66f7be65248ce039bf7e5393579621b58a19bfce5efdca673da9b15d5",
    "signature": "0x5d5076a862e993fbf7afa6b245360637081a929d6d61575e2e1601686280382a5ce33211115b9fc0495548439ca0b7d33a003b25ba7882ef2cbf3ad645ed8c951b",
    "signer": "0x6B186051880840dd160cB110a27294aF10eD65a6",
    "userId": "799062557"
  }
}