{
  "manageEntity": {
    "action": "Update",
    "entityId": "818663791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2367e32ad10eae884f3f3153de7c5ae1dcceaa589a7e3f35d6750f216d14034a",
    "signature": "0xe33591d9d9dfafaf7be3cb049c408938616d695a66f6f933f327174e8ac4733e02978576c0c324c9c908a6568a5091b221d2bd7e11c25aafbe9a35cd519184801c",
    "signer": "0x36dfc19282576d4f8087BF18aDe9806F7D7dcE49",
    "userId": "818663791"
  }
}