{
  "manageEntity": {
    "action": "Update",
    "entityId": "246528177",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9541825b7e87761280b6c528068d02f4e2d8d71bd9493bf8b6a8c34b2961aca3",
    "signature": "0x6f09e6dbe0de13d957ae43fd0adacdbf65ce69495c42b05bddb3bb07f789e6fd4aa74c83ffbe8408d388cee69f170cb9536688b217a20ceb0bace6c8a6d1890d1b",
    "signer": "0x3d33d58e75700434a9FFe3363A3138A768468B6a",
    "userId": "246528177"
  }
}