{
  "manageEntity": {
    "action": "Update",
    "entityId": "890955176",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x78ba897e28beee8904f7e4e110a64beaf6800391eed2d5808349bc57f04993fa",
    "signature": "0xdb99f7d5cf9960c3ae1a51aab1b5b085061a4b3d8cd549b278523f494c629dcc1a38cc7128ca27737b38f33686fef9452f2420864afe9ace19e288fdd43c2a811c",
    "signer": "0x63527e9BdaBC6E35850938B1d7C86d07B9E180dd",
    "userId": "890955176"
  }
}