{
  "manageEntity": {
    "action": "Update",
    "entityId": "160836108",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierautsky7ozp2fdxmmwj3qgsgrv4vzv2jwaiinyuxfglwzxrhsiukjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":289181696}]}}}",
    "nonce": "0xcdb01d39f40eeaf3ea281b62ef56c95341e48eb24f1da6e50485f00ec42e1856",
    "signature": "0xce691db9405498742db8882d9874026c84c3469aa6baa2d152e7719bae614c070798698012488882c50e83e65fd3b1c84ce35a9d368fac4ab8e629c879b0b98d1b",
    "signer": "0xDB1C92E3a7A7103C09d102880C64F171dE4ddd9A",
    "userId": "160836108"
  }
}