{
  "manageEntity": {
    "action": "Update",
    "entityId": "68993547",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e8aeb411919e237966073143ea7590cf29d6c43fad812de7c0cc0658adc75bf",
    "signature": "0xfcf5dc921b1cbcdd61e08ac990e1a5eedccff4466d241f016e4b96fd3e18684e45fd4c5f1d404e09480ae3938d45048f519fa9d7c6edce24e722639c143d21e11b",
    "signer": "0x869465Ed7EbD057898cC45121a237538C67E59B3",
    "userId": "68993547"
  }
}