{
  "manageEntity": {
    "action": "Update",
    "entityId": "470598044",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x07828f3a38b5c0d0962beafc6927e97a0589768315b86a50065730cf7a159e23",
    "signature": "0x6113e2acc9f7ff3634d5251197fb404ee9eb91ce4100affeee6ef50f8faa371b411d801595ac16601f67ec000a9bcaac01a80a5d7abd4f31e9f08726813c5ef01c",
    "signer": "0x4fA1a6fC8859240f25d5735DCF911eb46E235e89",
    "userId": "470598044"
  }
}