{
  "manageEntity": {
    "action": "Update",
    "entityId": "224019652",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd4d9730ff8b17186d937e3d6cfa18dc083291978cdaf189f45e102095b3da80",
    "signature": "0xfde8f96cfdd8b90bf097af5369f6fc47cd72483116982c05b55c4bedcc37556b7ec53c1000053d57dd7b29cfb42c2a993b491d5a5b2e13447ebc833a226242781b",
    "signer": "0x7964a5eF7E9a780013d3886B40ca04443D69588D",
    "userId": "224019652"
  }
}