{
  "manageEntity": {
    "action": "Update",
    "entityId": "705098578",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x193e5d211fc7efc0355372387eeb9fb1ba4e9d5c650a71bc234cfe116461f5d0",
    "signature": "0x5afa6133a71e6fb18f874fe66f4c215d09c382e6410d488ad320279a65cbb6b013586cb48719fcb1a1dbce03a1120e00ce3306948170574403715ade864a9b591c",
    "signer": "0xCa1b03459D32ae9af010f30e47fC14492085F4e1",
    "userId": "705098578"
  }
}