{
  "manageEntity": {
    "action": "Update",
    "entityId": "475953882",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a8ecaec32083fcdad836d9c4b743e24652c7d821cffe8695cc3269e6e04e1fb",
    "signature": "0xee72ad8b975ec3fe1a78b7518201b5e2bdbc4e48633efb0f1bfffed0358704ea6d15558b71a1ad131b69d4b6e9a7f1e28df803c13ca69035436b1c1bbb7efe7b1c",
    "signer": "0x82B68483dc7868a09e69ceC5b08AC29DC11666F5",
    "userId": "475953882"
  }
}