{
  "manageEntity": {
    "action": "Update",
    "entityId": "32385223",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb39c046d05bba9602d80dd3987ca013d720868337cf83a2dd12c806fa61cc92b",
    "signature": "0xe79538a3929016f698e5ec02dc42cc31aa5ea3c80b8a77c79b58c4ba468403f36ca71fafda34dd3439d663c23c14c256bcb2899e9775c0dcc653dcc2b612206e1b",
    "signer": "0x7FD245f490eA59F66841bD0442db599162ceFa19",
    "userId": "32385223"
  }
}