{
  "manageEntity": {
    "action": "Update",
    "entityId": "82452262",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x41aafd883e18653d0e80cbf17b624dff3b5dcf57c7d8746fadcd7a71a950e4ff",
    "signature": "0xbbab1140e42beb69db4f94aa29850dfedbe0b741b16a6ec523aed422cf616d805f5e15735f3cd3df1306cd3fb1a3ea4eba775b0d6cfac3cde80b7f03688e24ec1c",
    "signer": "0xDa9D152D5fAB072E432B05d6b2FBd6d512532480",
    "userId": "82452262"
  }
}