{
  "manageEntity": {
    "action": "Update",
    "entityId": "234413065",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6c4bad5ddc2b9fe99f204525d33f1672e92caf1dd46213e3575b24a224d9748c",
    "signature": "0x5efc3156593b1b07107174257f91b89e5391b346c511286d1c61e0ad1a1f91874795c858efcb68c2dbc4e1c8e65ec043673b8ac5be7befd749083f02e8e52fde1b",
    "signer": "0xE0fc08b1d87BDd03Aa8152998171395862D6b24A",
    "userId": "234413065"
  }
}