{
  "manageEntity": {
    "action": "Update",
    "entityId": "725182334",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xffb8325de559a1b3f72b8ad68ff8e3b153c2d0cbd77717eb3f71e768530f6aeb",
    "signature": "0xcfae152575ea5264f12995ee33bcc3f9fe83c9301a5d622ad0a8aa15df76fd6a549c7e0e8803e8a6a86fcfbd6c6b772078e5c4b3bab22ec106b72113d908d9b31c",
    "signer": "0x0e779937330E0ebba46F132e8796de9E93042B24",
    "userId": "725182334"
  }
}