{
  "manageEntity": {
    "action": "Update",
    "entityId": "958020941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x965b7a179ab4df61d603dfcac8183d7db7a1e03e647818ff22e1fd7768cc4680",
    "signature": "0x3a0bee8e222dc68557f5d518037b19f2ea4ca6af24044cf94d63c25fac2d15342fd073a4828248caa21be74dbb205a3f2099c39184a47db6848526928252307f1c",
    "signer": "0xCa7cdC7D28D621f8e78105b8A9fC5a2752b42811",
    "userId": "958020941"
  }
}