{
  "manageEntity": {
    "action": "Update",
    "entityId": "111259749",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9d6ba2ebe90f613091f0fabd9ebfb22471a27c3f52d2c07efdfc2ed7d88d75c9",
    "signature": "0x872b6780cb596ef089553ac0379706de78ecd69457b30b213f27ac500bde7e494ca586c68df7031e3f3f2433ca06e249b3655d33c7bcdaf756636a5d9c712f621c",
    "signer": "0x7368b27A35b882fb257Abd3bf03456cC0CA7B14C",
    "userId": "111259749"
  }
}