{
  "manageEntity": {
    "action": "Update",
    "entityId": "114736985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x310c25ef17b6ba16cbdd61067a0b5f7062b4c539a9cd772889c8a7078dab75d3",
    "signature": "0x317db152982c78eeb487116bbf395931a3ea7344fffb3bd00252094f1c72c406686331fea5d3bac257e69f87d4eaee726eadc7c9a6cc7d3f276189cc98fed0da1b",
    "signer": "0x538B53545E1fb97bC3766E4851D655E9Dd5B6101",
    "userId": "114736985"
  }
}