{
  "manageEntity": {
    "action": "Update",
    "entityId": "46400348",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ffd271a22f006fcf42efc0f33fc17491fe4aae9e6df255d23adab17037fceb1",
    "signature": "0xa7a666fc50ca83d505f6ec2084faa1f390b8f2a91dd8562f2cf1b7e5cf06e2a36efd6fb2761156f4538e0721355a3d76c4f9a08300b7ab9a08bba1b39e79a9421b",
    "signer": "0x11299271edD14C34c7cdc941799259af9Ca54783",
    "userId": "46400348"
  }
}