{
  "manageEntity": {
    "action": "Update",
    "entityId": "633246973",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf4aff6da1deaf0a96e7a9c4f6e55bc7f50719bde3870ea7c667c1e30de577ba5",
    "signature": "0x438b6fc99fed1e080fa21f8ef4ccb6ff05dded5f41152b2fa357dbdce54384937e6f7d66b219e209ee49270aef8170928c0ceef8a3b35ead35a69464ed0de3921c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}