{
  "manageEntity": {
    "action": "Update",
    "entityId": "995186750",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0d28101fa5efb178c2a95ba9a59d4b27c5900184898cdc19e0ad850b6f4e8128",
    "signature": "0xe073d1f9458cf388178112ab6ac2bdf2085051165a32ad3048bf1a08305cad125655d63688340550aa5e4c05dd8575b20ae05c0e22c0a78934eb8f9fc01f8a8e1b",
    "signer": "0x86a20cdAF930eC6ABB9cb2075947C4BBBC9543E8",
    "userId": "995186750"
  }
}