{
  "manageEntity": {
    "action": "Update",
    "entityId": "995332578",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x45aa07350bcd9f914a5e1e636952d37e796b71ce6ec4814037863a454ab30c34",
    "signature": "0x89297a3472b0ed498af2d3f573d4fb1f836251885b306741876c2b6849b03f083831ca7b21ae687ae75d1ae2114996852e7238e3094069b9df9675443f53a71b1b",
    "signer": "0x8A64785d05192D66C9118D967E19021491A2D5de",
    "userId": "995332578"
  }
}