{
  "manageEntity": {
    "action": "Update",
    "entityId": "288313576",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xebf55f1cc55af5f596c1b7de3f83ad7737f7a445453589b7cc034a114e3fc5fa",
    "signature": "0xb19b4eef14adf6897f1afa2c5c56f098f0370b5f746f24594f4bdbf3a0ae97201a04017e6e5b5140b7b12483c2062cc5479cc20f44d1f46c8f589f9cf3a888c01c",
    "signer": "0xC6bE407BC5b29e16c84cB9762105455F5d4ec4e0",
    "userId": "288313576"
  }
}