{
  "manageEntity": {
    "action": "Update",
    "entityId": "817964210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5dd40a669b59bb189794f61bcfd08bec88b10fe38e590ba6c29540a4c05fb4d4",
    "signature": "0x565dc4852cbed155cc2579b3cc233c5db4e9a232ca52970d704f107f7e5957d36f679fc7f8d53f63cb37fd2db60431ee1755aba9318d6ce79653ab5fc79c33ce1c",
    "signer": "0x095a68b9D98ac351Fb872C4290e156751C9D7CCE",
    "userId": "817964210"
  }
}