{
  "manageEntity": {
    "action": "Update",
    "entityId": "116504833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x70a9dd934f41cab1b86e7896f5e6171f7bb5fb7993641f2aa998dcf55b37d8bd",
    "signature": "0x2ae775fab469a912aeec357fc7b52e22e3e1bca445a2dba3822ec10d98d8f56079082c71e1f45069ef7a6c66ce46ed853353238d792c5d978b74dc742b6f1f311c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}