{
  "manageEntity": {
    "action": "Update",
    "entityId": "262721884",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbfb01d7e8c652586e2ba5d79359d7dcdc94877a3f5b376306e1aa8436d95dd1a",
    "signature": "0x155076968b9e323e0980ff13aeed1c866928296b1d54736172be191d07c4b5f8045c0fa76563012d5d7123acb4c6ed9540734ba9c820ba0b321cf777101d08dd1c",
    "signer": "0x43Ed99d1CFe628329245DdE9b308945A14285Caa",
    "userId": "262721884"
  }
}