{
  "manageEntity": {
    "action": "Update",
    "entityId": "935087866",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xee503df8dbc8d71ec2b539bd6112db074cb49bf2636765bd9744d78f977a2d34",
    "signature": "0x10c43fb320b17b89c349d9fb8b926ac4c4cd1c2c470488f17b40e3c7445e1fb75a75442b6f2f0ab6c6cda557e06cdea51164d7070256cb270cc406151092a49a1c",
    "signer": "0x4648E953CAccF93cd7BbEbE71B94482047dFbd34",
    "userId": "935087866"
  }
}