{
  "manageEntity": {
    "action": "Update",
    "entityId": "171594868",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierampnrhxonsznxwkbeyzq6tno7l2pradu4g5ru7pxbz6wrxug34joa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":177905104},{\"type\":\"playlist\",\"playlist_id\":1694618767},{\"type\":\"playlist\",\"playlist_id\":971818751},{\"type\":\"playlist\",\"playlist_id\":1516513995},{\"type\":\"playlist\",\"playlist_id\":2059360285},{\"type\":\"playlist\",\"playlist_id\":1266259261}]}}}",
    "nonce": "0x24cccf425193fd3b379e16cc162ae2be63dd71a2b03dd672e97dec19fe25893b",
    "signature": "0xbbbe1f0517a2a5255045a226ee2264bf88a957d0a59c01269a3deb6f0e449a58719d4e8a23402cc517a43de71832b3e6919811830853046e9909c783d0ff9a5a1c",
    "signer": "0x9C1F89CDE33F8110394DfA4a5Af51201f8Ee41fB",
    "userId": "171594868"
  }
}