{
  "manageEntity": {
    "action": "Update",
    "entityId": "895277029",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x543e193715633cfdbd1794876893cc374b7a5b916b13f66f97acb1a6f3bff195",
    "signature": "0x7d2bf5b7f16b5a9be3193798ccadf17795dbff854a104d6011c05b7db7c12bf10579350b5159180d933082775b7bae4983bafb79531cdae29bf6eee9ecbf60081b",
    "signer": "0x9886AeF061697C5Fe4ec5Cf4296Ec89d91344947",
    "userId": "895277029"
  }
}