{
  "manageEntity": {
    "action": "Update",
    "entityId": "179352401",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5b0eb3c157b085f2e366cb3d4592c73a2469e0f80fc307af74c84b06ad5d6e18",
    "signature": "0xfecf4ee26b2daae98db6eb72d8f70d66f43ab1469dece650c41bd62180057b5d424a37444fb761eea1f181bc5bb810977f855285460b7d4a6f9e57c9f2e9ec1b1c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}