{
  "manageEntity": {
    "action": "Update",
    "entityId": "446202131",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcf09fb3b5e5a5cbb889d23224ea7fc1204c1ab695e3537174b4404f44b6c53d6",
    "signature": "0x7566b4078e9bbd4f6dae088bc801a79d900df6a94074c6dc159a165a6a77113b693d8a80314c19973e8837ad86dce6f9ab5fa89d1e402665cc6735c7cfed29451c",
    "signer": "0x7e3c1c5Cb03F8cBd51cF87BA7f53B36573673C5B",
    "userId": "446202131"
  }
}