{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xde605cd6c6993439fc3c01252207db67979403a9e1b182c40796ea5b54d55763",
    "signature": "0x29a3d652e1ef185734b8b93296684d7586307a5fe17ed469b43fd22273ea45070ec6bd89faabef3830c7afbe64a20f1dbeb073141429cd905f94f82a9e1e64751c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}