{
  "manageEntity": {
    "action": "Update",
    "entityId": "220230236",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x66fc39931843825e2db4eddf0b1f393bf93bc4bf54dd77ca88904278a9e9e6b2",
    "signature": "0x481644bb38311f59c875cfa3b9baa14ded8a5e502813093c2e365651e414f9e803c397d6dc0996b1e6a9b946ee149ed213dda4bb98fed1eab4e9c35a9a5b10ad1c",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}